Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8961119c02d98a…

MALICIOUS

PDF

79.3 KB Created: 2022-03-28 21:53:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: e6fce718b27317790ca9643cdbe02f70 SHA-1: e86455fc5691ce1908152998c2e1bc3822fdcabd SHA-256: aa8961119c02d98acc2db3a787eac40711997b33734b93e46e0533905a0c6a07
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://norin.co.za/YmrXLWy8?keyword=disconnected%20ado.net%20c#%20example PDF link annotation
    • https://lakogobeza.weebly.com/uploads/1/3/4/0/134096968/2306375.pdfIn PDF document text
    • https://misiwutikamiba.weebly.com/uploads/1/3/4/6/134601431/1326173.pdfIn PDF document text
    • https://juzasofudabin.weebly.com/uploads/1/3/0/7/130775050/sutudusavux.pdfIn PDF document text
    • https://bejasesazopo.weebly.com/uploads/1/3/4/5/134512805/jopemezuruvuxifin.pdfIn PDF document text
    • https://dofafurubes.weebly.com/uploads/1/3/4/7/134762343/rasizifulipuli-pejodo.pdfIn PDF document text
    • https://bigubiforuse.weebly.com/uploads/1/3/5/3/135389938/zotuja.pdfIn PDF document text
    • https://mamonaxerif.weebly.com/uploads/1/3/5/3/135347384/d2461fa165c2de.pdfIn PDF document text
    • https://xotonibesil.weebly.com/uploads/1/3/1/4/131407892/9b38ee172.pdfIn PDF document text
    • https://jawuvufos.weebly.com/uploads/1/3/4/8/134856807/gogajigizi.pdfIn PDF document text
    • https://sulewonabesonu.weebly.com/uploads/1/3/2/6/132682327/9801662.pdfIn PDF document text
    • https://pefemodadiz.weebly.com/uploads/1/3/4/5/134520562/semiwabexusaraz_moseza_vajafuro.pdfIn PDF document text
    • https://wofuzokekaxan.weebly.com/uploads/1/3/4/4/134465278/3798458.pdfIn PDF document text
    • https://dimalosuzilem.weebly.com/uploads/1/3/1/4/131452887/lipidef-jeginaxunoxefux.pdfIn PDF document text
    • https://zorazuzibenad.weebly.com/uploads/1/3/4/6/134617736/kesulibetusabonu.pdfIn PDF document text
    • https://powumebaporisav.weebly.com/uploads/1/3/4/8/134891471/395d07959a42e8.pdfIn PDF document text
    • https://bisetegu.weebly.com/uploads/1/3/4/5/134528498/mivewon_texamomenu_rezevawiled_kufibibebo.pdfIn PDF document text
    • https://xesejiru.weebly.com/uploads/1/3/4/7/134716288/novopubonuge.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_off0000d12f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD12F 17720 bytes
SHA-256: a71030e414878e449f0f2dbda87d41e56b68c4bc9cfdc02d44e693f197c04da9
font_01_sfnt_off0001002c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1002C 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000116d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116D0 10284 bytes
SHA-256: 8367c11b0b370571d664ed003379ee3704258226c1bcd8faea48d3afbdf87397

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