Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c3d9c0afbe2a836…

MALICIOUS

PDF

45.1 KB Created: 2020-08-07 19:39:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7e1ba17f3a424a7896245eff42d9eb31 SHA-1: 8ee291b40c64be710c2d0af5c0c320e22793e9ba SHA-256: 1c3d9c0afbe2a836eeecc44318b4d067a721ee2b98fe44bd3b2e2364e5ad1998
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 pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning attempt. The primary malicious URL is likely used to redirect the user to a second-stage payload.

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=anti+inflammatory+diet+food+list+pdf In PDF document text
    • http://files.fustlerthefemalehustler.com/uploads/1/3/0/7/130739839/gaxiwoloxakutenuboj.pdfIn PDF document text
    • http://files.americanrootsuk.com/uploads/1/3/0/7/130775712/vevoragu_punufejarasiram_tuvojuvujanawaj_vusepekelopovo.pdfIn PDF document text
    • http://files.costleyandpartners.com/uploads/1/3/0/9/130969204/34bfdeaba076a4.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/1/0432/6824/3614/files/epidemiologa_de_la_diabetes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5438/3782/files/92708890352.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/gumodexepaduvamof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/53101741501.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/44978625991.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8814/2743/files/dazujinoki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/dovawikeza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/riwuzojigaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/79925892185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7817/9221/files/automatic_control_systems_raven.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6574/5312/files/5086768781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4166/0826/files/cupid_cupid_shuffle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6818/6015/files/3ds._cia_files.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_off00007254.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7254 5276 bytes
SHA-256: 0955478ffd46e795a8478cb272f7fcfe9c75b280b5a8607eeb6d8c8519fdb2c3
font_01_sfnt_off00008441.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8441 10352 bytes
SHA-256: be4e2bdb6b4c3128e0e8d3c874334820f53225a35e6dadb013abe32ff502dce8

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