Malicious PDF — malware analysis report

Static analysis result for SHA-256 22cce80f85b58476…

MALICIOUS

PDF

40.5 KB Created: 2020-08-13 14:19:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d5131530396f9c62421fb5e3d6156ba SHA-1: b5c9e0414fa615d75be35e912347d4b25a0696f8 SHA-256: 22cce80f85b58476496141870deb51931878dc1c2c4af35825b16d0e2e43ded4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous links, many of which point to a link farm designed to manipulate search engine results. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/wb?keyword=2008%20jeep%20patriot%20owners%20manual%20pdf'. The document body, though heavily obfuscated, contains text related to a '2008 jeep patriot owners manual pdf', suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.ru/wb?keyword=2008%20jeep%20patriot%20owners%20manual%20pdf In PDF document text
    • http://files.kassotislab.org/uploads/1/3/1/4/131406202/cc8ba7fa06b3ef7.pdfIn PDF document text
    • http://files.designinggrove.com/uploads/1/3/1/8/131856852/tobipex.pdfIn PDF document text
    • http://files.robinscanlon.com/uploads/1/3/1/0/131070420/lupudemotad_gapamelaj_xedonujavizoza_dedubel.pdfIn PDF document text
    • http://files.ddtotalfitness.ca/uploads/1/3/0/7/130739922/kagadaviluliz.pdfIn PDF document text
    • http://pevoxe.allkidsbouncealot.com/uploads/1/3/1/3/131381533/suzawivemum.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7234/6526/files/20481487476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6885/9303/files/gosakijelomubozisagaraxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1253/5958/files/cisco_lab_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7217/3733/files/19115204216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5269/4680/files/dikapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1537/0912/files/wijemifitobapatapopu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/5968/0156/files/digestion_y_absorcion_de_proteinas_en_monogastricos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3433/7695/files/vorogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2119/7724/files/xasitivos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1266/1152/files/27037278086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3171/4199/files/lupopikekewegopotekifo.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

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E79 5728 bytes
SHA-256: ad6fea16c087e14adb3f42f2d818007f1561503a7a191392e0a560a4a3d1651c
font_01_sfnt_off000071eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71EB 10184 bytes
SHA-256: 5a98153b3d922d1fff6f2e2ea03ede76c511d4e9d438d19d5bd1c6933bfe8908

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