Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d622538b76ca25…

MALICIOUS

PDF

72.7 KB Created: 2022-03-28 22:02:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: b03005a1154d4cbc6908dd70f3d91140 SHA-1: 770217cfceda3d9b8212658cae180ae77dd50943 SHA-256: c5d622538b76ca25c018fc5c1a576e0b0f0b301a327e212ab18a586cd21a5e98
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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://sunuf.co.za/YmrXLWy8?keyword=vizio%20sb2920-c6%2029%202.0%20channel%20home%20theater%20surround%20sound%20bar PDF link annotation
    • https://kodupupagunoj.weebly.com/uploads/1/3/4/3/134314474/7cfddbb6.pdfIn PDF document text
    • https://gavebinakufir.weebly.com/uploads/1/3/2/3/132302735/aaefeb076b2.pdfIn PDF document text
    • https://lulegosepo.weebly.com/uploads/1/3/0/9/130969478/vetage_papukobakene_palurewopaxux.pdfIn PDF document text
    • https://vudulami.weebly.com/uploads/1/3/5/9/135964857/balewadufazaliz.pdfIn PDF document text
    • https://nadunala.weebly.com/uploads/1/3/4/8/134877180/rixofasi_goxuvezuwajoges_xuwev_xenodu.pdfIn PDF document text
    • https://fusarutuzazeni.weebly.com/uploads/1/3/5/3/135346017/6415529.pdfIn PDF document text
    • https://bivibonade.weebly.com/uploads/1/3/4/0/134041173/bewuxarejat-zetufobot.pdfIn PDF document text
    • https://xaxomawiso.weebly.com/uploads/1/3/5/3/135329970/a421c.pdfIn PDF document text
    • https://paboludozov.weebly.com/uploads/1/3/4/3/134333588/bb5a0ab7f6bc4da.pdfIn PDF document text
    • https://xakokizape.weebly.com/uploads/1/3/4/3/134343218/2155982.pdfIn PDF document text
    • https://xavimunemu.weebly.com/uploads/1/3/2/8/132815343/4087983.pdfIn PDF document text
    • https://limuvowefegepud.weebly.com/uploads/1/3/4/5/134509231/tedoro.pdfIn PDF document text
    • https://xugowapowafav.weebly.com/uploads/1/3/0/7/130775127/6449983.pdfIn PDF document text
    • https://sugasukeni.weebly.com/uploads/1/3/4/8/134878852/rolelixosolovetexa.pdfIn PDF document text
    • https://nuvapagizete.weebly.com/uploads/1/3/4/7/134748671/vubegod.pdfIn PDF document text
    • https://kefawefixak.weebly.com/uploads/1/3/0/7/130738991/78b9cd0b823003.pdfIn PDF document text
    • https://rizaxobekame.weebly.com/uploads/1/3/4/6/134698747/89a115183aa90.pdfIn PDF document text
    • https://jevogebog.weebly.com/uploads/1/3/2/3/132303093/7fd51c.pdfIn PDF document text
    • https://lulaxakopoto.weebly.com/uploads/1/3/4/3/134331182/8247234.pdfIn PDF document text
    • https://tidevaxapoled.weebly.com/uploads/1/3/5/9/135971763/3751bdbfe21792b.pdfIn PDF document text
    • https://jopixedojowagi.weebly.com/uploads/1/3/4/8/134852439/fakunijoz-nunot.pdfIn PDF document text
    • https://rogozinigaki.weebly.com/uploads/1/3/7/5/137516336/viletuwod-refawi-xinupalema-jonasuxoliti.pdfIn PDF document text
    • https://posoxunek.weebly.com/uploads/1/3/4/4/134460252/famasuvatoperifogi.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_off0000b5a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5A2 11580 bytes
SHA-256: 2c9554c24bf79432e261fe8db6662b52c8871b2aab27c35d8d9f226ea0697586
font_01_sfnt_off0000d107.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD107 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000e7a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7A6 16752 bytes
SHA-256: d47d8e1162b761d92c1ebaf1f83125932b6e6ea69412c7eb203d7c5f515388a9

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