Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a4e64f36929c7f6…

MALICIOUS

PDF

50.0 KB Created: 2020-08-16 19:51:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5d2fc6235c5479575abe2cf6b80a7baf SHA-1: d3fe2da3b658b2352d7b7062edb09222142c4bb8 SHA-256: 6a4e64f36929c7f6424fb033b3d4629b70cec3a6cb287b3501a97ea5faef3907
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious URL, ttraff.com, which is identified as a redirector. The document body, though heavily obfuscated, contains references to this redirector and numerous other PDF links, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or malware distribution attempt.

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=ibrahim+sangare+scout+report In PDF document text
    • http://files.naheffa.com/uploads/1/3/1/4/131453316/9475297.pdfIn PDF document text
    • http://files.asheleijohnsoncounseling.com/uploads/1/3/0/8/130874634/4885750.pdfIn PDF document text
    • http://lonuwe.informationsystemdynamics.net/uploads/1/3/0/7/130739024/f95a5b830040.pdfIn PDF document text
    • http://files.followtheleda.com/uploads/1/3/1/3/131384436/dilelelurizup.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/1/0428/9835/8432/files/vinujavezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/24991130108.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0182/1859/files/likedidowudubit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8502/8775/files/74053892151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6832/4005/files/lodevukesutefuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2698/7680/files/diliwekesatojijubonamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6463/1195/files/93672859118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5184/3737/files/53828847660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6213/2897/files/33054666654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/putew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4959/1718/files/63632437678.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8542 5392 bytes
SHA-256: 2f53c0b338b27d8c4c34f23d8a247e13c62c19be9d9b1b8e636600e98bcd3db2
font_01_sfnt_off00009768.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9768 10576 bytes
SHA-256: 496dee1c59167051124c81562d5de2aba1afc62732f2b2bdb24e19351bb3946e

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