Malicious PDF — malware analysis report

Static analysis result for SHA-256 94127f6bba903dc7…

MALICIOUS

PDF

67.0 KB Created: 2020-12-21 22:51:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: b68ff80867e2dc717cb5f94c459e635f SHA-1: 58254ef1c0d71e1145d878fd92c5c1edc7d8a7ef SHA-256: 94127f6bba903dc7f9f70d8e3291146e02ca9ed8e8aef916c18264b31c53205a
136 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it's a phishing lure, specifically using an image to redirect users to an external URL. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URL, 'https://traffset.ru/strik?utm_term=wood+cutting+board+care+oil', is the primary indicator of compromise, likely leading to a phishing page or a second-stage malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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/strik?utm_term=wood+cutting+board+care+oil PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4383792/normal_5fa2082fb2952.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366344/normal_5fd7d50896dcc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414159/normal_5fc1df87b541d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380858/normal_5f93b004d5d3f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365619/normal_5f870ef221035.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465559/normal_5fce9249c4952.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388169/normal_5fd7a07fe967e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411935/normal_5f9f82671c352.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/5fc2f572e9fc3622d52f966f/t/5fcacc969114cf21bd0f6385/1607126167837/horror_hayrides_near_me.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fdf41f455b18a2b82ccab99/t/5fdfcef61c66f52f5faa39ac/1608503030220/92643595310.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc12af63dfdd95b60d6c240/t/5fc2a09161e25426e18d94c2/1606590609931/27593105059.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d932b459-0866-48d8-bf6e-a9de6affb566/81440129980.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_off0000cba2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBA2 5080 bytes
SHA-256: 27e246be33705368f87851c42db6639eb345e70a9ba5bdc9f873495ccc9d32af
font_01_sfnt_off0000dd08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD08 10112 bytes
SHA-256: ca13a31d9bad1fd8d7724f7d48622847560856de92509e5f3888548bb345187c

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