Malicious PDF — malware analysis report

Static analysis result for SHA-256 793830163aad3baa…

MALICIOUS

PDF

86.9 KB Created: 2022-04-13 08:33:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 4c3584ed59cc7b8932753e7a63b1afb3 SHA-1: 1f9f2a060d10b5b93c1389ef967be5108a0c68e7 SHA-256: 793830163aad3baaa9b3e8b2266a40670fd8ac9e889285c5f6b0c7e88c666a6a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://loheb.co.za/YmrXLWy8?keyword=what%20are%20the%20three%20intermolecular%20forces PDF link annotation
    • https://gilowowiwojet.weebly.com/uploads/1/3/4/3/134314399/melujebe.pdfIn PDF document text
    • https://danexuxubusam.weebly.com/uploads/1/3/2/6/132695747/fijatasaredam.pdfIn PDF document text
    • https://zakepanitug.weebly.com/uploads/1/3/5/9/135977879/jitevemamug-wobufawupovenim-moxusomi.pdfIn PDF document text
    • https://setuwome.weebly.com/uploads/1/3/0/8/130874340/duzegazamikuman.pdfIn PDF document text
    • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/4fbb9cffe9812fcf574de3c55f45dc28/funesasorewusediti.pdfIn PDF document text
    • https://fajasorefasox.weebly.com/uploads/1/3/4/3/134348900/ca25953d33504a.pdfIn PDF document text
    • http://rockhouseschool.com/rockhouse/uploads/files/xidutuxumagusabimugug.pdfIn PDF document text
    • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/zutukozifataxatixobuxi.pdfIn PDF document text
    • https://jopokiwajisi.weebly.com/uploads/1/3/4/1/134108554/7495727.pdfIn PDF document text
    • https://vusokozederik.weebly.com/uploads/1/3/4/9/134901716/basipowozupusupanemo.pdfIn PDF document text
    • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/8e9036ad8fd4571dcdd7ba4ddd50339b/werafosotabugib.pdfIn PDF document text
    • https://midejewafefo.weebly.com/uploads/1/3/4/0/134000268/wituxajekibijag_biwizi.pdfIn PDF document text
    • https://pagilosotutan.weebly.com/uploads/1/3/0/9/130970008/2405880.pdfIn PDF document text
    • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/rarusuluvo.pdfIn PDF document text
    • http://vlajkylevne.cz/UserFiles/File/zerudiw.pdfIn PDF document text
    • http://unitekinfostructures.com/userfiles/file/27329861937.pdfIn PDF document text
    • https://zokatitolef.weebly.com/uploads/1/3/4/7/134702636/4506667.pdfIn PDF document text
    • https://nezodutulep.weebly.com/uploads/1/3/4/8/134883135/guwavexetadopo.pdfIn PDF document text
    • https://wapoduleg.weebly.com/uploads/1/3/4/8/134882123/5053676.pdfIn PDF document text
    • https://lifexego.weebly.com/uploads/1/3/0/8/130874678/ea1035f3b83d7a.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_off0000ee9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE9F 10692 bytes
SHA-256: 8dbe0ec628c9a61c53718d1a6f049baa841690be0f92e9dbdde7c95c83262d45
font_01_sfnt_off000106fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106FC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011f0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F0E 17828 bytes
SHA-256: 1847a38624137b3e073e438bed08d6a2abcdb9489cb2e1d82d44928fd7ca3fcc

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