Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b37613092fa551…

MALICIOUS

PDF

270.4 KB Created: 2022-03-18 11:26:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-03
MD5: 987c9bffa12cc76e868298f2ad5ca219 SHA-1: c31c4d2e74c6d1b9126af2c7d0481517b5b664a8 SHA-256: 22b37613092fa5515a0dc206dfed9d3bc7bbcf4c65e08cce18a4df59969fbac0
142 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7783

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
  • 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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://ragaz.co.za/XSRYdR1H?utm_term=backtrack+4++for+windows PDF link annotation
    • http://dury114.com/userData/ebizro_board/file/mufewipogaralusabaxigi.pdfIn PDF document text
    • http://dinapart.net/frontend/web/kcfinder/upload/files/46154009741.pdfIn PDF document text
    • http://studiodelcorso.eu/userfiles/files/96130456299.pdfIn PDF document text
    • https://minhjazzvietnam.com/kcfinder/upload/files/73309058285.pdfIn PDF document text
    • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/301c8436314970b545da113e97203e25/97506901505.pdfIn PDF document text
    • http://www.cerradurasytornillos.com/gdc/kcfinder/upload/files/82138583229.pdfIn PDF document text
    • http://lordwood.ru/images/file/dejudepa.pdfIn PDF document text
    • https://btcauction.vn/hinhanh/file/mibuniwifafapudizavosa.pdfIn PDF document text
    • http://ng-sons.com/userfiles/file/wekapaso.pdfIn PDF document text
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1621bd87c1e339---duduzetufilazuwuvimu.pdfIn PDF document text
    • http://rebizplus.com/userfiles/file/40931766493.pdfIn PDF document text
    • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/f0781b42def49532480f6c7ec4147f8a/52861556494.pdfIn PDF document text
    • http://iuppitergroup.it/kcfinder/upload/files/velujowiv.pdfIn PDF document text
    • https://1000fdep.talenzsoftware.fr/upload/files/10943287572.pdfIn PDF document text
    • http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/82116284849.pdfIn PDF document text
    • http://www.procuradoresgipuzkoa.com/js/ckeditor/kcfinder/upload/files/bojomi.pdfIn PDF document text
    • http://schokofontaenen.de/idata/livafijite.pdfIn PDF document text
    • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/162119b4947eb1---53300656350.pdfIn PDF document text
    • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/46dc507453f1918905946815dae2491f/lefopoxojiva.pdfIn PDF document text
    • https://saya.ro/app/webroot/files/userfiles/files/70442769592.pdfIn PDF document text
    • http://vasudevindustries.com/userfiles/file/33196348595.pdfIn PDF document text
    • https://baoholaodong24.com/userfiles/file/vujobugonugo.pdfIn PDF document text
    • http://getdol.com/page_data/file/71312826987.pdfIn PDF document text
    • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/rodabimofodebedidararalow.pdfIn PDF document text
    • https://506hlapeta.com/files/file/1530738829.pdfIn PDF document text
    • https://marugame.hk/editor_upload/file/53422936290.pdfIn PDF document text
    • http://levne-pohary.cz/UserFiles/File/datolasaxemefivodo.pdfIn PDF document text
    • http://zespolbahamas.pl/zdjecia/file/jibupizezok.pdfIn PDF document text
    • http://poultech.net/d/files/jimebovijimofamebo.pdfIn PDF document text
    • https://chaletvenay.skidnapping.com/uploadfiles/files/21025368761.pdfIn PDF document text
    • http://www.sindcomerciarioscs.org.br/adm/kcfinder/upload/files/89725233142.pdfIn PDF document text
    • http://thietkewebsite.btccorp.vn/uploads/files/38301774115.pdfIn PDF document text
    • http://abc-tel.ru/data/File/96953777147.pdfIn PDF document text
    • https://vietrocknet.org/app/webroot/img/files/84897358071.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
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003c9d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3C9D1 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0003e0f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E0F1 10600 bytes
SHA-256: 19006b2d09702557eb0de7a5826203739a59659e5b7f6c0a363069979662aeb9
font_02_sfnt_off0003f974.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F974 19072 bytes
SHA-256: b089cc38a881efb5c72c01ef049260d24564334386dd4d4563b974e67b3d9335