Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b86e3bced454e1…

MALICIOUS

PDF

247.9 KB Created: 2022-02-08 11:43:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-03
MD5: 91d1b5f5b33eb990c09f04d46047adfe SHA-1: 0d68922eddba4219ec4ef1a14ddfb87f22aac273 SHA-256: 22b86e3bced454e19a90005b0d71c71c725c3a8bb5ae09f0c5ea2e097cb52d64
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains embedded JavaScript and external URIs, with high-confidence heuristics indicating a phishing lure and a link farm pointing to compromised WordPress uploads. The primary redirector URL, https://colod.co.za/XSRYdR1H?utm_term=admob+api+android, is likely used to funnel victims to a malicious site. ClamAV also detected this file as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5682

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://colod.co.za/XSRYdR1H?utm_term=admob+api+android PDF link annotation
    • http://bidwoodmachine.com/d/files/juvewakevidise.pdfIn PDF document text
    • https://www.scmsgroup.org/ckfinder/userfiles/files/lufareredabuta.pdfIn PDF document text
    • http://vaynhe.com/upload/files/54879688329.pdfIn PDF document text
    • https://akupunkturas-kezeles.hu/userfiles/file/11173928728.pdfIn PDF document text
    • http://courirpassion.fr/js/kcfinder/upload/files/movaretijofip.pdfIn PDF document text
    • https://www.tailormadeholidayspt.com/kcfinder/upload/files/32115689043.pdfIn PDF document text
    • http://patrickstaxi.fr/userfiles/file/80670533007.pdfIn PDF document text
    • http://huynhgiabaohotel.com/uploads/FCK/file/80282950443.pdfIn PDF document text
    • http://ueros.fr/admin/ckfinder/userfiles/files/77541762615.pdfIn PDF document text
    • https://tigapilar.com/upload/files/vekulepideledowodipa.pdfIn PDF document text
    • https://alakharia.com/public_html/userfiles/file/nojup.pdfIn PDF document text
    • http://northcity.rs/slike/files/84190074088.pdfIn PDF document text
    • https://bearings.vn/images/ckeditor/files/29431164009.pdfIn PDF document text
    • https://stehovani-ostrava.cz/static_pages_files/file/jovuwuxubud.pdfIn PDF document text
    • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/eac7d32e7f5c1d6a759fcad11a6d0ccf/5654025167.pdfIn PDF document text
    • http://www.delmepatlatma.org.tr/kcfinder/upload/files/xubuvopifuwadizigotitexe.pdfIn PDF document text
    • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/38ee3ddee29fd5afffe8f0fce2e83820/93893234900.pdfIn PDF document text
    • http://elpijisystem.com/file/wofetufo.pdfIn PDF document text
    • https://bongkartuantakur.com/contents/files/27895623446.pdfIn PDF document text
    • https://cuacuonbentre.com/upload/files/10642215854.pdfIn PDF document text
    • http://cintabogor.com/Uploads/userfiles/files/tesaxowemaneru.pdfIn PDF document text
    • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/nolubezazo.pdfIn PDF document text
    • http://hstechno.com/userData/ebizro_board/file/27398993094.pdfIn PDF document text
    • http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nabejizozijafobe.pdfIn PDF document text
    • https://yodishit.com/uploads/userfiles/file/webafapakipiti.pdfIn PDF document text
    • http://turksebruiloften.nl/userfiles/file/59903492121.pdfIn PDF document text
    • https://fwstc.in/userfiles/file/bakowij.pdfIn PDF document text
    • http://bresky.cz/res/file/lakunogutan.pdfIn PDF document text
    • https://www.seblocation.com/ckfinder/userfiles/files/sufija.pdfIn PDF document text
    • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/72a9b660ce6df1efd56a4993fee290b2/85537006782.pdfIn PDF document text
    • http://jingmingtai.com/filespath/files/20210825190345.pdfIn PDF document text
    • http://demo755.webbazaar.com/uploads/52397040266.pdfIn PDF document text
    • http://www.findvoters.com/userfiles/file/99527456394.pdfIn PDF document text
    • http://reklamavysocina.cz/UserFiles/File/maluwipovebipov.pdfIn PDF document text
    • http://mebizstekla.ru/userfiles/file/fobusepusofupefojodiso.pdfIn PDF document text
    • http://de-ko-gmbh.com/ckfinder/userfiles/files/80957433235.pdfIn PDF document text
    • https://www.fsps.co.th/kcfinder/upload/files/xodofodi.pdfIn PDF document text
    • https://acatay.daynexdemo.tk/upload/ckfinder/files/fonolozumever.pdfIn PDF document text
    • http://xn--80aer5aza.xn--7-4tbj3b.xn--p1ai/ckfinder/userfiles/files/nunejajifobiwod.pdfIn PDF document text
    • http://gernano.eu/gfx/userfiles/files/87312059690.pdfIn PDF document text
    • http://hvezda-pardubice.cz/files/file/41430817011.pdfIn PDF document text
    • http://www.hausbaumesse.at/ckfinder/userfiles/files/zavigitiwusefotimi.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    +1 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036fb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36FB0 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off000386d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x386D0 10232 bytes
SHA-256: b546415a17918201b82e5c0e1ca146e1a8c7b774dd50a19564a37f0bd309d795
font_02_sfnt_off00039d65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39D65 18804 bytes
SHA-256: 51cc196c7e8a98eddd1e294f765fcf2a804a98e2bf61edf24929a37484bc0d4f