Malicious PDF — malware analysis report

Static analysis result for SHA-256 44534483a9b57ac0…

MALICIOUS

PDF

87.9 KB Created: 2022-03-29 10:42:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: 8f82a93ef116b0206c99502f0349f82f SHA-1: 7cfc1175059d0f2caff92d33d2c9c1a00202917d SHA-256: 44534483a9b57ac05c3f4cd11891b11cdd9ae0e6eff2f4de197a5afcbdc0a728
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://yoyep.co.za/YmrXLWy8?keyword=bdo%20sorceress%20leveling%20guide%202019 PDF link annotation
    • https://xexumure.weebly.com/uploads/1/3/4/8/134885566/gijoxap-garusog-bugawoxijo.pdfIn PDF document text
    • https://liwavijej.weebly.com/uploads/1/3/4/3/134379327/4513747.pdfIn PDF document text
    • https://vasalidut.weebly.com/uploads/1/3/0/9/130969475/8744065.pdfIn PDF document text
    • https://pibezenasa.weebly.com/uploads/1/3/1/4/131454503/lezetam_luwagofik.pdfIn PDF document text
    • https://wukuvapover.weebly.com/uploads/1/3/4/8/134878379/jelodijuvo.pdfIn PDF document text
    • https://punerumoluzes.weebly.com/uploads/1/3/4/8/134897399/92b1943be796bb8.pdfIn PDF document text
    • https://dobidikomopal.weebly.com/uploads/1/3/5/3/135302797/f560ff3bd9588.pdfIn PDF document text
    • https://zitejapaj.weebly.com/uploads/1/3/1/8/131872087/nasorepe.pdfIn PDF document text
    • https://wupixizot.weebly.com/uploads/1/3/5/3/135398135/28ecd18.pdfIn PDF document text
    • https://vikaworapelesob.weebly.com/uploads/1/3/4/7/134702945/1612947.pdfIn PDF document text
    • https://wegogitizunivom.weebly.com/uploads/1/3/4/3/134369171/501f3a.pdfIn PDF document text
    • https://vekatugid.weebly.com/uploads/1/3/4/5/134592715/2b12a23c30d.pdfIn PDF document text
    • https://nibuxapevu.weebly.com/uploads/1/3/4/6/134601724/cf1351.pdfIn PDF document text
    • https://vekananumapemu.weebly.com/uploads/1/3/4/0/134012300/sosakuwurilofoxover.pdfIn PDF document text
    • https://sesifubonimexa.weebly.com/uploads/1/3/5/3/135317238/golalizemeso.pdfIn PDF document text
    • https://jugukibe.weebly.com/uploads/1/3/0/7/130740256/sidoribapajeje.pdfIn PDF document text
    • https://norusukesalija.weebly.com/uploads/1/3/4/3/134356509/daludiguku-nisawegununuja-tosunusani-dafoxu.pdfIn PDF document text
    • https://dipojujepu.weebly.com/uploads/1/3/4/5/134526160/fumigeme-bonuroberinax.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_off0000f2b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2B6 17792 bytes
SHA-256: 68a8f02620096a673db5da27b7d2607f7f7238fe20f2852920d8e1e36354a0a1
font_01_sfnt_off000121c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121C6 10964 bytes
SHA-256: d5515b8adeac325a2a9584eac8eac1697a61f7817a7b3f93dd005ccb266e9cda
font_02_sfnt_off00013b3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B3D 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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