Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2a6b09832bee2e…

MALICIOUS

PDF

552.5 KB Created: 2022-01-21 23:14:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: ae667f62c065ff3754a11b516f8f7fd6 SHA-1: 66f0a5dfc4c4c5b6e4954ff3844060e30a962a18 SHA-256: af2a6b09832bee2e31d4f52a8563099fcc25b0e1d42eeecc0a06a7f757ff4e56
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7845

Heuristics 6

  • 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.
  • 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://highfieldhousehotel.net/nbloom/fckuploads/file/48324853004.pdf In PDF document text
    • https://aczv.fr/userfiles/file/gokapedawade.pdfIn PDF document text
    • https://fortworthdental.net/cmsCart/upload/file/figefilemewiwamomape.pdfIn PDF document text
    • http://saipanbooking.com/FileData/ckfinder/files/20211110_97CAD773CFEF31B5.pdfIn PDF document text
    • http://rulife.ru/ckfinder/userfiles/files/78869239534.pdfIn PDF document text
    • https://arabadvertise.com/userfiles/files/40136528606.pdfIn PDF document text
    • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617653e033768---91064971551.pdfIn PDF document text
    • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xizez.pdfIn PDF document text
    • https://rm-parketi.si/uploads/dirixuzujezuji.pdfIn PDF document text
    • https://resicolor.com/upload/files/fevoxewefeliduwugula.pdfIn PDF document text
    • http://www.biogreeno.com/cms/ckfinder/userfiles/files/79596652486.pdfIn PDF document text
    • http://dreiseengrundschule.de/files/50772537076.pdfIn PDF document text
    • https://gmnavarra.es/ckeditor/files/dijimuxorotilivom.pdfIn PDF document text
    • http://richmediahouse.com/admin/uploads/file/12207286477.pdfIn PDF document text
    • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161cfc4d607c64---zuvoguv.pdfIn PDF document text
    • https://superstolarz.pl/files/files/66333312036.pdfIn PDF document text
    • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161d23444e9a9d---gubexoji.pdfIn PDF document text
    • http://gazduire-domeniu.com/UserFiles/file/49339868885.pdfIn PDF document text
    • http://dakhoathienhoa.net/images/files/xamidilelidevavu.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/5bhJmFgkeCE/uplcv?utm_term=bhagwan+ki+photo++mp4PDF link annotation
    • 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_off00083a6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A6E 10560 bytes
SHA-256: fbff9003d2c5cf517f533eb1e45db57dc6ceec2f967581d2075773cc95a2dcdc
font_01_sfnt_off00085266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85266 16500 bytes
SHA-256: d051bfdad47e63540c52133e9dd98a0258202f251a95463d4c0148a6dbb2a8e6
font_02_sfnt_off00087d58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D58 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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