Malicious PDF — malware analysis report

Static analysis result for SHA-256 782a8cd9e24b46ea…

MALICIOUS

PDF

72.3 KB Created: 2022-03-30 01:50:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 8367ae20f4f60889ab49834086c43b76 SHA-1: 1cd6d7b425e3c91f6bbbc25cbb4c15ed1eab2d04 SHA-256: 782a8cd9e24b46ea4f1db260d2f5d6112c8fe93c3e70102d6b6214978d410bd1
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://wirut.co.za/YmrXLWy8?keyword=section%208.3%20dna%20replication%20study%20guide%20answers PDF link annotation
    • http://1mosref.ru/ckfinder/userfiles/files/55167106074.pdfIn PDF document text
    • https://nusosujorogu.weebly.com/uploads/1/3/4/5/134589145/sawavalujaguf.pdfIn PDF document text
    • https://sererewaxux.weebly.com/uploads/1/3/4/9/134903335/279c597fd1.pdfIn PDF document text
    • https://gasipepimajut.weebly.com/uploads/1/3/4/3/134367512/waferugoj_jezisaru.pdfIn PDF document text
    • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16225232cea397---10705331336.pdfIn PDF document text
    • https://pevivifigevesiw.weebly.com/uploads/1/3/5/3/135315965/vetepuwagatukis.pdfIn PDF document text
    • https://xogatavuk.weebly.com/uploads/1/3/4/6/134629599/lisubinijaz-jezizog.pdfIn PDF document text
    • https://demufejaxesogop.weebly.com/uploads/1/3/4/5/134588496/vajigovogibumu-timuwixenux-boxikitumuzax.pdfIn PDF document text
    • https://kupolagaxex.weebly.com/uploads/1/3/0/9/130969851/761708e54c83.pdfIn PDF document text
    • https://keguvetazako.weebly.com/uploads/1/3/4/7/134702613/rofoko-towivu.pdfIn PDF document text
    • https://falibapop.weebly.com/uploads/1/3/3/9/133997194/6394963.pdfIn PDF document text
    • https://lipijunozawisek.weebly.com/uploads/1/3/4/7/134721324/jazul.pdfIn PDF document text
    • https://babanude.weebly.com/uploads/1/3/4/0/134017813/8654393.pdfIn PDF document text
    • https://mesofozup.weebly.com/uploads/1/3/5/3/135351624/55da7def771e28.pdfIn PDF document text
    • http://apsons.eu/files/file/78901877716.pdfIn PDF document text
    • https://pidakobanaxob.weebly.com/uploads/1/3/4/4/134463411/28639.pdfIn PDF document text
    • https://lemagijazifar.weebly.com/uploads/1/3/2/7/132710763/1928b07115afed.pdfIn PDF document text
    • https://lilijivopot.weebly.com/uploads/1/3/4/5/134599675/xosixel.pdfIn PDF document text
    • https://podinelejuwe.weebly.com/uploads/1/3/2/7/132710627/vodiwowitul.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_off0000b588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB588 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000cc2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC2C 11512 bytes
SHA-256: 3cdce4c96ca55357ddb31e82081a73d71bc137e10e50ea5a39f07610be93fe50
font_02_sfnt_off0000e771.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE771 16536 bytes
SHA-256: d7c5ab2db544dd4b6bec1c7925e8a4594626ab20ee22968260f2a13ebcdb0076

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