Malicious PDF — malware analysis report

Static analysis result for SHA-256 91332761db616f26…

MALICIOUS

PDF

94.8 KB Created: 2020-08-05 13:43:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c56a61f875b094396ffef2f297c2477 SHA-1: 1adb385da1d7a76b11daa49fd0316cf12e10dd4a SHA-256: 91332761db616f2613a8bb968aec2e985292dabfb919d541d8940a6570c4b977
202 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector link pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL as the redirector, suggesting the document's primary purpose is to trick users into visiting this malicious site. The presence of numerous benign Shopify links is likely a tactic to obscure the malicious redirector among legitimate-looking content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.com/pify?keyword=abnormal+psychology+an+integrative+approach+5th+canadian+edition+pdf In PDF document text
    • http://files.ladypatriotssoccer.com/uploads/1/3/1/8/131858592/wofuku-dapimililedite.pdfIn PDF document text
    • http://files.monumentblog.com/uploads/1/3/2/6/132695517/bogupurawemit.pdfIn PDF document text
    • http://files.harrybrookeweddings.org/uploads/1/3/0/8/130813768/wikupulevamudotuni.pdfIn PDF document text
    • http://files.wrightrunningcoach.com/uploads/1/3/0/9/130969083/7446683.pdfIn PDF document text
    • http://files.jmsupplyga.com/uploads/1/3/1/6/131637853/3808439.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/1/0429/0910/6335/files/62245695240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4761/5649/files/77329626709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49181926903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6511/4775/files/upcatet_bsc_agriculture_entrance_exam_model_question_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/87632559404.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9562/1796/files/rabukipasagarowumoxagixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sivuduveserekolagaxabulux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6081/3208/files/data_mining_process_model.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8023/4661/files/aha_cpr_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7720/6178/files/nesupeke.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 8

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_off00013205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13205 5984 bytes
SHA-256: d6c54912ef1d86218160b29a47259ab1472644bf4305636cb3fbc20b90448aab
font_01_sfnt_off00014645.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14645 10872 bytes
SHA-256: e4faed42d56ef3ea8c02184a6aa81d6d78dccb0ece96d0677c103ae3bd0e9537

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