Malicious PDF — malware analysis report

Static analysis result for SHA-256 37327db0e3a5d96c…

MALICIOUS

PDF

47.0 KB Created: 2020-07-31 10:31:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8afd83174fc2b635ee8adc2c2bfb2b58 SHA-1: 6f51aa5c3dfc45c42726e174fd1b67447647def0 SHA-256: 37327db0e3a5d96c57f4371bc73af84e30e92bb748ba92a65c4b461ac9acaa54
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a malicious redirector link that points to 'ttraff.com'. This link is presented within the document body, disguised as a storyboard example. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the malicious nature of the destination. Additionally, the 'PDF_SEO_LINK_FARM' heuristic indicates the presence of numerous external PDF links, suggesting a tactic to distribute malicious content or manipulate search engine results.

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=storyboard+examples+for+short+stories+pdf In PDF document text
    • http://files.foto4funphotography.com/uploads/1/3/1/6/131637254/lelalizisi.pdfIn PDF document text
    • http://files.awarechoices.com/uploads/1/3/1/3/131384771/4938061.pdfIn PDF document text
    • http://files.bobbycarpenterllc.com/uploads/1/3/2/6/132696112/vusidozes-tisenubujorux.pdfIn PDF document text
    • http://files.activemindsucla.com/uploads/1/3/1/4/131453053/fegobelupubevelo.pdfIn PDF document text
    • http://files.braverthanthewaves.com/uploads/1/3/1/4/131453807/5359755.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/1/0430/8090/8951/files/93445379257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0842/6147/files/vewuvigiditafuseduluso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0316/6369/files/tubizekot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6717/9165/files/refemeletux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tagitigupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70354855800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6012/4061/files/63863104681.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5280/0920/files/38196232899.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6580/2905/files/xumatetek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8530/7805/files/36297479593.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_off000079d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79D9 5376 bytes
SHA-256: 427618adac48162410d2c52319650cb536c41ac0062aa47340510761b011683a
font_01_sfnt_off00008c25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C25 10136 bytes
SHA-256: 6a46b79fbc0da074cc9d62d9d480641a8d332a71017b250e0faba6a9504309dc

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