Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2b100b6e16392b…

MALICIOUS

PDF

82.6 KB Created: 2022-05-05 18:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: de57f048f17af5bee6e6ff08573f614c SHA-1: 004a9b8331ce285adfe9756ef775365e8a623f6a SHA-256: af2b100b6e16392bd5ffb57c8afde93e78fcd71cf34f16811c1a200cfabdce79
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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://yoyep.co.za/YmrXLWy8?keyword=conformational%20isomerism%20in%20ethane%20pdf%20free%20printable%20pdf%20free PDF link annotation
    • https://gixujadimi.weebly.com/uploads/1/3/4/7/134708567/4915215.pdfIn PDF document text
    • https://alshamiltrading.com/alshamilfiles/file/vujapisetokixopoziti.pdfIn PDF document text
    • http://dgelc.com/userfiles/file/20220305050332.pdfIn PDF document text
    • https://vabusise.weebly.com/uploads/1/3/4/3/134385335/8212798.pdfIn PDF document text
    • https://tapenori.weebly.com/uploads/1/3/4/6/134657753/4325077.pdfIn PDF document text
    • https://xitowamu.weebly.com/uploads/1/4/1/4/141445884/wazivisaza-zogupopatodag.pdfIn PDF document text
    • https://tazezesogiw.weebly.com/uploads/1/4/1/3/141300719/4513846.pdfIn PDF document text
    • https://redumufisinuf.weebly.com/uploads/1/3/1/6/131636648/zaberilevem-mijanekave-zipewunovekuwo-bulil.pdfIn PDF document text
    • https://mopokelam.weebly.com/uploads/1/3/5/3/135349304/5384130.pdfIn PDF document text
    • https://taruzalo.weebly.com/uploads/1/3/5/3/135398133/padod-wogaz-lakapebupuze.pdfIn PDF document text
    • https://prosaison.fr/userfiles/files/27238558289.pdfIn PDF document text
    • https://walkandsmile.com/userfiles/file/favigaruparenexegilo.pdfIn PDF document text
    • http://otpetye.com/images/shared/file/nejenu.pdfIn PDF document text
    • https://webtechnocrats.com/upload/file/2964797619.pdfIn PDF document text
    • http://wedding-box100.com/uploads/files/202205012154204519.pdfIn PDF document text
    • https://rubebivazoxe.weebly.com/uploads/1/4/1/3/141373295/fd7358afe9.pdfIn PDF document text
    • https://ask-it.softki.com/Ask-it/UserFiles/file///towenibeguratapi.pdfIn PDF document text
    • https://tomorrowhubs.com/upload/users/files/dalusorolalamobafivaf.pdfIn PDF document text
    • https://xebexusutawa.weebly.com/uploads/1/3/4/5/134502291/pajud.pdfIn PDF document text
    • http://zssulejovice.cz/kcfinder/upload/files/55600287915.pdfIn PDF document text
    • https://fawitazekivaji.weebly.com/uploads/1/3/1/4/131454143/f053d.pdfIn PDF document text
    • https://reha.bg/content/upload/file/jasanunelonexazo.pdfIn PDF document text
    • http://cesvil.it/filesUploads/file/pupibusurelasefegurokatas.pdfIn PDF document text
    • https://gudatopizesibi.weebly.com/uploads/1/3/4/4/134472507/4b482fb97db34f2.pdfIn PDF document text
    • http://szcftz.com/upload/sedelasogubijazap.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_off0000da94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA94 10936 bytes
SHA-256: ba82f9089d369142d579ac6acf8b06beea9436fc32823793b46b2fad344eb78b
font_01_sfnt_off0000f37d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF37D 17752 bytes
SHA-256: 82aa35accf134cbba444d3610238c06cc8e1c466324d63a8cd2ac93a4cb87d0b
font_02_sfnt_off00012271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12271 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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