Malicious PDF — malware analysis report

Static analysis result for SHA-256 d37c293c63625def…

MALICIOUS

PDF

44.7 KB Created: 2020-08-18 23:22:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7fffe1e57d5ed9722544fc8d72b5221a SHA-1: 6514ae7338e0c5b428a3d9348e4894eec697f6cf SHA-256: d37c293c63625defefcfc32946a64cbd433b551b06da0a4fddb3de3196dd3eb9
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=indicators+of+potential+workplace+violence+answer'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, with 'https://cdn.shopify.com/s/files/1/0433/0985/8984/files/6500068734.pdf' being a prominent example. The document body, though heavily obfuscated, contains references to these URLs, suggesting a lure to external malicious content.

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.com/pify?keyword=indicators+of+potential+workplace+violence+answer In PDF document text
    • http://files.ourcolourfulworld.com/uploads/1/3/1/4/131453574/8528d99d0.pdfIn PDF document text
    • http://files.lukehonnoraty.com/uploads/1/3/1/0/131069899/fufaxufagedelapov.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0985/8984/files/6500068734.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3654/9018/files/xabuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/58171067312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7696/0924/files/mutulibojaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3917/6342/files/tempest_domain_5e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1631/4277/files/47044704735.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8573/9685/files/tixuzoluzotadovusi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6980/9564/files/zupimobifobitodoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/65322279140.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1187/3695/files/93190894283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2165/3400/files/stealth_400_turtle_beaches.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4736/0424/files/jobitagasevela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8909/3018/files/diralotupotozedidetofoni.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 2

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006446.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6446 5088 bytes
SHA-256: 0c2a9cc0641ae8456821e0b31763f04bbe5f29e0c043e827148d54d0298f793e
font_01_sfnt_off000075b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75B2 9920 bytes
SHA-256: 20efd252f891d7ac866bd651a9cc27c5cc8e3b8978bab1b04d7f2cbe2f3f43ae
font_02_sfnt_off00009794.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9794 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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