Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2fc7c36cc089400…

MALICIOUS

PDF

67.0 KB Created: 2021-10-20 13:43:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 912febde64423bf02ad07f5eb1c9e218 SHA-1: a8aa4bc814d8905b9a453960c98d455d97f53734 SHA-256: f2fc7c36cc0894006721163f377ef24e08e2fa7abdf27b8597e9f76f11976047
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 66 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://oniceh.ru/uplcv?utm_term=android+mirror+windows+10 PDF link annotation
    • http://inistor.com/ufiles/files/74455396334.pdfIn PDF document text
    • http://hiddengemsbookstore.com/userfiles/file/98582408615.pdfIn PDF document text
    • http://elskup.pl/images/assets/file/kipedamuwoxogiwiwobak.pdfIn PDF document text
    • http://studioguidobarbieri.it/userfiles/files/wilejexujenipetedavuw.pdfIn PDF document text
    • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161678557bf61c---11621206401.pdfIn PDF document text
    • https://n-vv.dk/userfiles/file/1874192927.pdfIn PDF document text
    • http://chizclean.ru/files/fck/file/97953827612.pdfIn PDF document text
    • http://metabolitplus.ru/files/file/26141417957.pdfIn PDF document text
    • http://rsentco.com/upload/file/vuwebumala.pdfIn PDF document text
    • http://slstudio.it/userfiles/files/redalugomanuzugituzadadi.pdfIn PDF document text
    • http://kipia-nn.ru/userfiles/file/redilorezikuduzetaxeb.pdfIn PDF document text
    • http://tatagz.com/uploadfile/files/wilar.pdfIn PDF document text
    • http://nage-z.com/ckfinder/userfiles/files/29485976787.pdfIn PDF document text
    • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616ac56801192---66223178895.pdfIn PDF document text
    • http://phoiinnhiet.com/images/uploads/files/8937771901.pdfIn PDF document text
    • https://asoriofrio.org/ckfinder/userfiles/files/81767371913.pdfIn PDF document text
    • http://yer-krasnodar.ru/ckfinder/userfiles/files/susutekak.pdfIn PDF document text
    • http://flomojapan.com/upload/files/85742608785.pdfIn PDF document text
    • http://yurisolomko.com/userfiles/file/timepeluvesizaxegabod.pdfIn PDF document text
    • https://drddvichitra.com/userfiles/file/22940949108.pdfIn PDF document text
    • http://swvocal.com/data/se2/file/meboluwibe.pdfIn PDF document text
    • http://seatraveltx.com/uploads/files/31180970186.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_off0000ac83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC83 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c495.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC495 14172 bytes
SHA-256: 9e0730110bc9dbe432cea95f604c22066524cd1599543f6c9b487325da6cc9ab
font_02_sfnt_off0000e7e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7E6 10212 bytes
SHA-256: 8c963a6f4d3d8e5809c5722608cb6550d249a499eb17bef2816d814843716b9b

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