Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2c82f34ad2ed57…

MALICIOUS

PDF

72.6 KB Created: 2022-03-28 18:35:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: bd333318074d710f7c22c684be60d736 SHA-1: 2d548b61fb8355abc8923d8869cd179fd9a65626 SHA-256: af2c82f34ad2ed574bb215a50295afbdd7a06efbff603973ac33e7e5e8743d56
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://norin.co.za/YmrXLWy8?keyword=how%20to%20backup%20my%20iphone%20on%20mac%20catalina PDF link annotation
    • https://suzotavuni.weebly.com/uploads/1/3/4/7/134765747/2720215da8e36.pdfIn PDF document text
    • https://molesomux.weebly.com/uploads/1/3/2/6/132681378/2806150.pdfIn PDF document text
    • https://widunamaki.weebly.com/uploads/1/3/4/8/134886597/kuxeri-repokogu-mevob-toxerejejasol.pdfIn PDF document text
    • https://zudizobi.weebly.com/uploads/1/3/4/8/134860565/dugotokikefi_sajebebopebidex.pdfIn PDF document text
    • https://nemoradusa.weebly.com/uploads/1/3/2/6/132682182/jototonanakaj.pdfIn PDF document text
    • https://ponikinofenad.weebly.com/uploads/1/3/4/6/134602628/5498165.pdfIn PDF document text
    • https://fefugenaxidoseb.weebly.com/uploads/1/3/1/3/131380158/52a1b51ad10491.pdfIn PDF document text
    • https://nazugawexavidi.weebly.com/uploads/1/3/4/6/134678572/janenogideteve.pdfIn PDF document text
    • https://babosaka.weebly.com/uploads/1/3/1/3/131379498/8b27e403d4.pdfIn PDF document text
    • https://govumiseli.weebly.com/uploads/1/3/1/3/131380651/9974784761.pdfIn PDF document text
    • https://sugasukeni.weebly.com/uploads/1/3/4/8/134878852/68a920a1cf.pdfIn PDF document text
    • https://putebofodabisig.weebly.com/uploads/1/3/4/3/134368176/xozojufovi_zonafofikarerep_kawiburatuxenim_kusegur.pdfIn PDF document text
    • https://butapakenora.weebly.com/uploads/1/3/1/8/131871909/3ea31072dba4c1.pdfIn PDF document text
    • https://pudakelujoroju.weebly.com/uploads/1/3/0/7/130739680/kajusadixupizosu.pdfIn PDF document text
    • https://takaweso.weebly.com/uploads/1/3/2/3/132302848/7264956.pdfIn PDF document text
    • https://mesedegusi.weebly.com/uploads/1/3/4/6/134600151/5701157.pdfIn PDF document text
    • https://dotuxebi.weebly.com/uploads/1/3/1/4/131454754/wijeveri-zakim.pdfIn PDF document text
    • https://binebasujoji.weebly.com/uploads/1/3/7/5/137501892/bigafeverede.pdfIn PDF document text
    • https://lorufolirosob.weebly.com/uploads/1/3/4/5/134584190/rodejevumojasu_sagagadawi.pdfIn PDF document text
    • https://tinulesuse.weebly.com/uploads/1/3/4/6/134689832/bd2939.pdfIn PDF document text
    • https://zulatikuwa.weebly.com/uploads/1/3/0/7/130776211/be48d.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_off0000b973.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB973 16712 bytes
SHA-256: a4291912b868997756eebb675350a23b21687350c0594c54989371071ba12f4b
font_01_sfnt_off0000e521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE521 10892 bytes
SHA-256: 464a402a5310a9ecef9deffe9924db0d6855159d22b42efec895874261f4b8ed
font_02_sfnt_off0000fdf7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDF7 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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