Malicious PDF — malware analysis report

Static analysis result for SHA-256 6df8cb433598c643…

MALICIOUS

PDF

79.8 KB Created: 2022-03-28 00:51:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-18
MD5: 76d357f28f6485e6ba50a911963cfee9 SHA-1: 0c54bb6bd4324c3c68d02bad053767ac631a2d75 SHA-256: 6df8cb433598c6433f19d40d615dd73af38da104af92d8a166ab6e5e06d9ed32
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

Heuristics 7

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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://rarinuda.weebly.com/uploads/1/3/5/3/135349313/187887.pdf In PDF document text
    • https://nidexopike.weebly.com/uploads/1/3/1/4/131407316/170751b4c.pdfIn PDF document text
    • https://wukajimodowel.weebly.com/uploads/1/3/0/8/130874313/9360702.pdfIn PDF document text
    • https://xinefozi.weebly.com/uploads/1/3/0/7/130775465/8347409.pdfIn PDF document text
    • https://xatotaga.weebly.com/uploads/1/3/4/7/134726025/perawori.pdfIn PDF document text
    • https://vanimiravupu.weebly.com/uploads/1/3/2/7/132710567/6390116.pdfIn PDF document text
    • https://vusuvokitajize.weebly.com/uploads/1/3/0/8/130874031/9563186.pdfIn PDF document text
    • https://tulovituvo.weebly.com/uploads/1/3/4/2/134234708/f2c47d1fc.pdfIn PDF document text
    • https://sofepusususe.weebly.com/uploads/1/3/1/6/131636682/vudok_vuwutifaj.pdfIn PDF document text
    • https://ralerafuzirepob.weebly.com/uploads/1/3/4/3/134386916/lagewuzijukalene.pdfIn PDF document text
    • https://sibozigoguxo.weebly.com/uploads/1/3/0/9/130969143/kedesirujogil.pdfIn PDF document text
    • https://jukegiger.weebly.com/uploads/1/3/4/6/134668336/1176511.pdfIn PDF document text
    • https://bagosuberabuvi.weebly.com/uploads/1/3/4/6/134681771/3008048.pdfIn PDF document text
    • https://wopopodixela.weebly.com/uploads/1/3/0/9/130969383/tomikokabawusibif.pdfIn PDF document text
    • https://fakavenudir.weebly.com/uploads/1/3/4/0/134042443/fupofonarawivoz_goremokewuvuv_nivudivigiju.pdfIn PDF document text
    • https://woteginawewe.weebly.com/uploads/1/3/1/3/131379999/lolurizav.pdfIn PDF document text
    • https://xibuzapesajeg.weebly.com/uploads/1/3/4/2/134236274/xudajosuzemewopebed.pdfIn PDF document text
    • https://tuzuwopibas.weebly.com/uploads/1/3/4/3/134316447/durefipizek.pdfIn PDF document text
    • https://pudorexejuvaw.weebly.com/uploads/1/3/1/4/131455832/funasulamulej-felamivez.pdfIn PDF document text
    • https://venevivoxeda.weebly.com/uploads/1/3/1/8/131857756/2428766.pdfIn PDF document text
    • https://lezanixopedem.weebly.com/uploads/1/3/4/8/134886347/89c86edb40.pdfIn PDF document text
    • https://kibakexamu.weebly.com/uploads/1/3/1/0/131070561/3880341.pdfIn PDF document text
    • https://zupagefu.weebly.com/uploads/1/3/1/0/131070313/pivazafida-bimujenexosop-dutomozesezid.pdfIn PDF document text
    • https://lazav.co.za/YmrXLWy8?keyword=windows%2010%20update%20no%20desktop%20iconsPDF link annotation
    • https://napuximijagebi.weebly.com/uploads/1/3/4/7/134766840/7423993.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 extracted file (font_00_sfnt_off0000d1d6.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d1d6.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1D6 10808 bytes
SHA-256: 6e6727b8915b4f9fcec7109f54e683dc223000b7d4326d3ab4baf7c85e1ff2ad
font_01_sfnt_off0000eafc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAFC 17804 bytes
SHA-256: 505517f0a99822efa3ebc08da5eedfc3b27d1af4125f34af6f0840c0d2ca2014
font_02_sfnt_off000119c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119C3 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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