Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8ea0fc418cd1698…

MALICIOUS

PDF

39.6 KB Created: 2020-08-23 22:13:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 10388c05d0e51472717772c63d7f85e5 SHA-1: 6d367602dd9abc587e19653d3cb497557cc09995 SHA-256: c8ea0fc418cd1698e7c29300e6a14efc7159bbd68e5dd2f45f8ad24169a1caf3
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=quebec+corporate+tax+return+forms'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links to Shopify-hosted PDFs. The ML classifier strongly supports the malicious verdict. The primary attack vector appears to be luring the user to the malicious ttraff.com domain.

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=quebec+corporate+tax+return+forms In PDF document text
    • http://files.hearmyvoiceonline.com/uploads/1/3/0/7/130739472/bijejitim.pdfIn PDF document text
    • http://files.immlawcounsel.com/uploads/1/3/0/7/130739835/1828845.pdfIn PDF document text
    • http://files.jessicafeldheim.com/uploads/1/3/0/7/130739061/zunevofin.pdfIn PDF document text
    • http://files.drh-artist.com/uploads/1/3/1/4/131436981/ximezipibebinugow.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/1/0432/2626/7816/files/41889718583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8239/1451/files/83246894232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4742/6975/files/53419742200.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3537/0407/files/quimica_inorganica_chang.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8900/2645/files/detedetoguwinezebuvuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6042/8962/files/nolaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4166/6710/files/numef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7206/8520/files/translate_english_to_afrikaans.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4775/3640/files/79413634489.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5042/6787/files/96600356807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8581/6218/files/league_of_legends_guide_miss_fortune.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_off00005c2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C2E 5396 bytes
SHA-256: 3f09c32511cd333781c12e334ab80d2710eb6702a681e49f44bb6781fd944d38
font_01_sfnt_off00006e6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6E 10388 bytes
SHA-256: 7cd6f1f75e22f19b0a1ec050c941c6faab8a2f8d8d5fce0eea3689423fd98370

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