Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a7acafa8fdc1ee3…

MALICIOUS

PDF

65.6 KB Created: 2020-12-21 20:24:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 7a11f136cfd411f4de7fbe62a8dfecb0 SHA-1: c512740698e56a0119a1e7c58a49b80ad02b6563 SHA-256: 6a7acafa8fdc1ee3c187ba676d76a9a9c9dec5febd69d751d8f593f967a0c316
196 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was identified as malicious by ClamAV and an ML classifier. It contains multiple external links, including one that acts as an SEO redirector, suggesting an attempt to trick users into downloading further content under the guise of a user manual. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic indicate a phishing or content-luring scheme.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://traffset.ru/aws?utm_term=suzuki+bandit+600+user+manual PDF link annotation
    • https://zebonusifok.weebly.com/uploads/1/3/4/5/134509505/a32649.pdfIn PDF document text
    • https://gizazegixewaner.weebly.com/uploads/1/3/4/5/134596748/4960082b.pdfIn PDF document text
    • https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/papixid-gexaxevofuru-fawun.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391907/normal_5fa11fbce1335.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380083/normal_5fd3cee6be5bc.pdfIn PDF document text
    • https://muxamaxipusitu.weebly.com/uploads/1/3/4/4/134470051/3136652.pdfIn PDF document text
    • https://guxosenenizezov.weebly.com/uploads/1/3/4/5/134598055/f998f.pdfIn PDF document text
    • https://kuvikopar.weebly.com/uploads/1/3/4/8/134870245/winuwoda-lamabijonajagam-tixodisiwus-mofudexapof.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402261/normal_5fc5982c8ec48.pdfIn PDF document text
    • https://wupizesave.weebly.com/uploads/1/3/4/5/134581048/donomeku_rafaxafel_paximuxenizipo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc575db16f6d44b07dd545c/t/5fc7ba3848d5672cfb49d609/1606924859765/jegojolikiwivavonaz.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc597a0f9866f3fd2f3d113/t/5fd692f8acac596b0cc28fa6/1607897848680/rutexipizemab.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdd37885b7bc966055e0d98/t/5fddc030463d3b6c6f24ec76/1608368176912/85570912616.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc4f91fa3bf4b14abc32683/t/5fc80bde723ab40260522dbd/1606945758481/revisumifaj.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c0ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0EE 5624 bytes
SHA-256: 9c9f659c313c52d192b2e7ef17e72404b921fc6cd9c83da87a4ee674cb6a6eb7
font_01_sfnt_off0000d3f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3F9 11004 bytes
SHA-256: 0b2b0672602e856bce0c935c893c49962fa450d45cd18f110a875705051aa8d5

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