Malicious PDF — malware analysis report

Static analysis result for SHA-256 97561ef3790a6a08…

MALICIOUS

PDF

73.1 KB Created: 2021-01-14 15:51:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 530d55aaba65648f403ec5516026565c SHA-1: a06c2ebede4263a038445acf9b83b1c5b67c764d SHA-256: 97561ef3790a6a086be684bba965ca7075c7d295183bc09f261e0e4000f53978
196 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF document contains a lure related to a "redeem code for minecraft xbox 360" and embeds external links. One of these links, https://traffset.ru/123?utm_term=redeem+code+for+minecraft+xbox+360, is identified as a redirector for free-download phishing. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/123?utm_term=redeem+code+for+minecraft+xbox+360 PDF link annotation
    • https://site-1207104.mozfiles.com/files/1207104/38238529600.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369162/normal_5ffb969c437ca.pdfIn PDF document text
    • https://rigavimiba.weebly.com/uploads/1/3/0/8/130814992/jerejumefi.pdfIn PDF document text
    • https://majijajivetik.weebly.com/uploads/1/3/4/2/134265766/ac7bf98a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388596/normal_5f8dae531abd6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417308/normal_5fa2949315bf2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387816/normal_5fd9881b4fc2a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468255/normal_5ff3a82cadf1a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mufukep/bloons_adventure_time_td_character_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/xiwevitox/5314196175.pdfIn PDF document text
    • https://s3.amazonaws.com/tobaziw/nodoketozagilibofojaki.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/dayton_power_and_light_report_outage.pdfIn PDF document text
    • https://s3.amazonaws.com/xepululejiwof/36599544125.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/electronic_library_definition.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_off0000e133.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE133 5632 bytes
SHA-256: 7bf81a93b407eb0604ddfb1fe6bced359e2eca20243d73044acb2679909b165a
font_01_sfnt_off0000f449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF449 10324 bytes
SHA-256: e30954ec5932aec8223a5bf573f991dd565f993a527f4bf2f68b4dad8b78a838

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