Malicious PDF — malware analysis report

Static analysis result for SHA-256 47171f118a3c359a…

MALICIOUS

PDF

64.4 KB Created: 2020-11-11 22:24:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e496f7af6e8de6642405d8be6d35df41 SHA-1: 1e5c6c0e2fd95f87c709d34b599c15bb7aad1ba7 SHA-256: 47171f118a3c359ac722fbb295fc78e8f0e4d08fa4e5d20d955598ef23bf03d2
254 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lead users to a link farm. The primary URL identified, 'https://gettraff.ru/strik?utm_term=laboratory+manual+for+anatomy+and+physiology+6th+edition+exercise+2+answers', is flagged as a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to an 'anatomy and physiology' manual, aligning with phishing or scam tactics.

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
  • 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://gettraff.ru/strik?utm_term=laboratory+manual+for+anatomy+and+physiology+6th+edition+exercise+2+answers In PDF document text
    • https://cdn-cms.f-static.net/uploads/4391047/normal_5f9620f70962d.pdfIn PDF document text
    • https://kigibituridugu.weebly.com/uploads/1/3/4/3/134352406/posukufirijes_jakuwi_mevok.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366359/normal_5f8968e0ecf3e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366034/normal_5f870a89554b2.pdfIn PDF document text
    • https://karojigulad.weebly.com/uploads/1/3/4/6/134623473/1f1f0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365567/normal_5f87b9f92e6b9.pdfIn PDF document text
    • https://zuzigiwasozobe.weebly.com/uploads/1/3/4/6/134676944/gogum.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/f376a6e3-d14d-4d64-9d93-246881775b09/descargar_el_agua_champeta_mp3_conve.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dddece65-ff10-49f0-b0a2-dea3534abafc/povo_de_reis_assemblia_santa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/88393a7b-e4e0-4a60-b284-e1a70398b4c8/sao_integral_factor_reroll_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/173d0664-a30e-43f8-94a1-c26f4fc6e025/delusodeni.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5615354-2ad4-410a-9d9b-a40ee1ee914d/duwujogo.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 7

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_off0000bcd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCD3 6196 bytes
SHA-256: 9304c402cb55f7dc45564eeba7ae8e4cd61e916f07e71ff8989e6a0f5fb5e42e
font_01_sfnt_off0000d1e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1E5 10028 bytes
SHA-256: 2e9ecf3c8136ece837a4f90343fae0a665edd24232bc4e25ba6daebec5ce35ed

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