Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ecb77c3134b12a…

MALICIOUS

PDF

74.8 KB Created: 2022-03-29 13:38:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 6824da66bca3860ba01d554eb30816e6 SHA-1: 9f4bf9b2c625220e8ff022a7390b50e9571c37ec SHA-256: d3ecb77c3134b12ac6ac805181e941356c94535565b3b4b571834e9b5a745332
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • 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://wirut.co.za/YmrXLWy8?keyword=how%20to%20get%20spectrum%20remote%20to%20control%20volume PDF link annotation
    • https://dazuzidasepod.weebly.com/uploads/1/3/2/6/132681566/4007864.pdfIn PDF document text
    • https://luwinititik.weebly.com/uploads/1/3/4/5/134587042/7275a8b35a71a2.pdfIn PDF document text
    • https://pisubemiduburor.weebly.com/uploads/1/3/1/3/131380627/8699076.pdfIn PDF document text
    • https://rizadubarezesul.weebly.com/uploads/1/3/4/4/134499036/9000500.pdfIn PDF document text
    • https://malegudupo.weebly.com/uploads/1/3/0/8/130813961/zusawitot-fowosuzelewulog-bapoxilumofipo-vosetajijosov.pdfIn PDF document text
    • https://fenuwobubejugud.weebly.com/uploads/1/3/1/4/131454420/444793.pdfIn PDF document text
    • https://daxolefuziru.weebly.com/uploads/1/3/5/9/135963055/virajuz_tufiwolixan.pdfIn PDF document text
    • https://gesusetinor.weebly.com/uploads/1/3/4/6/134685025/duzovexenidita-zivimagebe-vemubiselu-samagen.pdfIn PDF document text
    • https://zubowofele.weebly.com/uploads/1/3/4/3/134381568/9900377.pdfIn PDF document text
    • https://pilopumif.weebly.com/uploads/1/3/4/7/134733378/bomenav-zopiwobogi-vojafisavuvuwug-fexebabulova.pdfIn PDF document text
    • https://livozuduk.weebly.com/uploads/1/3/4/5/134583284/88a2dc711d0af0.pdfIn PDF document text
    • https://rezosegog.weebly.com/uploads/1/3/2/8/132814067/121b73e69c63da2.pdfIn PDF document text
    • https://bodonejuw.weebly.com/uploads/1/3/4/6/134686214/mofudibidiwad.pdfIn PDF document text
    • https://fesakakosirin.weebly.com/uploads/1/3/6/0/136015409/8545692.pdfIn PDF document text
    • https://rinuxusopav.weebly.com/uploads/1/3/4/6/134679155/larogodaxufobiw.pdfIn PDF document text
    • https://zizobisorodevu.weebly.com/uploads/1/3/5/9/135964877/2393663.pdfIn PDF document text
    • https://mobinefoju.weebly.com/uploads/1/3/1/3/131398425/769955.pdfIn PDF document text
    • https://tabejasutunuvi.weebly.com/uploads/1/3/4/2/134234833/pamenijelonotamugaxe.pdfIn PDF document text
    • https://fafamamijusoma.weebly.com/uploads/1/3/4/3/134371196/jeziwapezuxos.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_off0000c160.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC160 17040 bytes
SHA-256: 49a0c31bf8c4998abeb1f54ce038c059be0e4b38ba4a06d21573993dfa708a70
font_01_sfnt_off0000edc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC0 10704 bytes
SHA-256: 190047cf51f92f7f13014170ae980929fc8aa8da17c1affb3d198758050ff465
font_02_sfnt_off00010663.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10663 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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