Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa888626d61f7220…

MALICIOUS

PDF

254.3 KB Created: 2022-03-13 05:54:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 479b4254463c666bc2104e71210c4fd0 SHA-1: 2038d8150fd75866b6796d504809bb272fa70122 SHA-256: aa888626d61f72201fbdf9ae25ef45f7d469c21182e0b28b918f1d95390aef41
206 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7120

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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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.
  • 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://fecuq.co.za/XSRYdR1H?utm_term=escritorio+remoto+android+windows+7 PDF link annotation
    • https://nic-irq.com/userfiles/files/mekewoxixumejafizalaz.pdfIn PDF document text
    • http://bastola.org/userfiles/file/fenowexovaguxabap.pdfIn PDF document text
    • https://www.bsff.com/kcfinder/upload/files/60292629999.pdfIn PDF document text
    • http://norilsk.torbay.ru/images/uploads/file/womagirezexonirut.pdfIn PDF document text
    • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621ea649e7287---220261886.pdfIn PDF document text
    • https://www.cistarekaupa.cz/kcfinder/upload/files/69455943048.pdfIn PDF document text
    • http://xlzfloor.com/uploadfile/fckedit/file/1646496467qWGw.pdfIn PDF document text
    • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621ef7da44079---nizibizu.pdfIn PDF document text
    • http://mfcwestenkwartier.nl/beta/userfiles/file/44327053505.pdfIn PDF document text
    • https://www.coltishallclinic.co.uk/dashboard/ckeditor/kcfinder/upload/files/zeripaxivudexe.pdfIn PDF document text
    • http://vkts.se/userfiles/file/lemopagiloz.pdfIn PDF document text
    • https://ghadir-eng.com/userfiles/files/56311449724.pdfIn PDF document text
    • http://vetsnab32.ru/userfiles/file/14383013720.pdfIn PDF document text
    • http://kolkandkolkdesign.com/site/data/ws/files/tolusebubow.pdfIn PDF document text
    • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/6pisqv0p2qhlso0m0is834ovk4/mozasanugezazetob.pdfIn PDF document text
    • http://ottuk-e.org/userData/board/file/68588723115.pdfIn PDF document text
    • https://bentonhomebuilders.com/kcfinder/sobirufirogakapeva.pdfIn PDF document text
    • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620e8f46c4515---91735488080.pdfIn PDF document text
    • https://happyfun.tw/uploads/files/202202121537145793.pdfIn PDF document text
    • http://luyenthidhcanhsat.com/Images_upload/files/xotagunorumosepotuwaf.pdfIn PDF document text
    • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/9sspf8abpv3jrcbqitr6sdpbm7/sejavaxe.pdfIn PDF document text
    • http://securite.paqt.fr/images/file/25181894137.pdfIn PDF document text
    • https://staging.smartmoneymatch.com/ckeditor/kcfinder/upload/files/26843868463.pdfIn PDF document text
    • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16221b838c8f73---80700790690.pdfIn PDF document text
    • http://hutnia.pl/userfiles/file/97148979755.pdfIn PDF document text
    • http://kipia-nn.ru/userfiles/file/dotog.pdfIn PDF document text
    • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/5318481826.pdfIn PDF document text
    • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/97d780d6a5a1532f0a4023af818660b6/3339555518.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_off000389b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x389B7 19440 bytes
SHA-256: 8f834443371a1f4a01b7b47b003c2a78bcd4627d7bfeed5dc9f21326a4a53b04
font_01_sfnt_off0003ba2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BA2A 10604 bytes
SHA-256: 67ac70a7d02be5c73b6be205ed637f829b7a0165a963f71643ca6fc8e5369c4f
font_02_sfnt_off0003d284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D284 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9