Malicious PDF — malware analysis report

Static analysis result for SHA-256 c01a802a2672f727…

MALICIOUS

PDF

44.4 KB Created: 2020-08-22 23:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 471d7194866ce8284b845a87c17e1011 SHA-1: 0dffda38e070ad3a5be10d54b72aad9de20b9c08 SHA-256: c01a802a2672f7279c8f56153130e15f0e7e4ce5c68a9ef9bcbb72e9d0c32440
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Esquire magazine submissions guidelines', likely serving as a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, but the primary malicious intent appears to be redirection through the ttraff.com URL.

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=esquire+magazine+submissions+guidelines In PDF document text
    • http://files.neuropsychologystl.com/uploads/1/3/1/8/131856646/fubutaz.pdfIn PDF document text
    • http://files.brennaninstitute.org/uploads/1/3/1/4/131406086/jajigosotugaz_kolakesenipam_vorenanij_bekesebeli.pdfIn PDF document text
    • http://gagazol.renoirpropertygroup.com/uploads/1/3/1/0/131070306/c6086e65562d6.pdfIn PDF document text
    • http://files.josiemusicawards.com/uploads/1/3/1/4/131453934/63725d1d27.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/1/0431/0227/3697/files/lisijivodalumekunetunuvuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2376/0536/files/jasofiwavowude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5340/8675/files/pamesekilu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7986/8309/files/vonepimomujolileluf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/3737/1037/files/environmental_toxicants.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5782/4419/files/33953915614.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/34944557730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/kisagit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0921/1549/files/80967804638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5007/4269/files/jarufogakeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7530/3592/files/migaref.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_off00006c9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C9C 5420 bytes
SHA-256: 5f086f1d657264bb0157cfbe14567d09d8ebdb2d0ed8e2404db4cce134c38c00
font_01_sfnt_off00007ee5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EE5 11040 bytes
SHA-256: 25169d116b206b3bee95e6ad956da9572b170ee65d1d21e0c0f62b21cf972d8a