Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c731b2d0e8b151c…

MALICIOUS

PDF

45.0 KB Created: 2020-08-03 14:17:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e92fa9bfeea5d4ea4b0b00480a2683e7 SHA-1: a92f281434f1e97be0258d3f94c2c923d43d02d5 SHA-256: 3c731b2d0e8b151c02a61af5221e507e4dd2f4cea61eeacc3a8d9d4f47178b62
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, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=tony+robbins+unlimited+power+pdf', is designed to lure users by appearing to offer a Tony Robbins PDF. The PDF also contains a large number of external links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.

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.cc/pify?keyword=tony+robbins+unlimited+power+pdf In PDF document text
    • http://files.usmbarlab.com/uploads/1/3/1/4/131437402/zexulipetisu_fuzipawubek.pdfIn PDF document text
    • http://files.lwda.ca/uploads/1/3/2/3/132302966/c4625e5e26.pdfIn PDF document text
    • http://files.clconroyartworks.com/uploads/1/3/0/8/130874246/besutijid_gabosetekikero.pdfIn PDF document text
    • http://files.cityhighruns.com/uploads/1/3/1/8/131871762/fogubilewo-tefikibonobuk.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/1/0429/1916/6119/files/65728272604.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6097/7048/files/48957389357.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6006/0567/files/86292288889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2518/6466/files/xivoxutifud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/mofon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5466/0758/files/kanejopefizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7052/1495/files/petuzinujuxosiviwojikafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8747/0496/files/zodagawonibageji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6723/5742/files/kopafegewilos.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 3

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_off00007269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7269 5260 bytes
SHA-256: d1f680cc790a7c4f08e9ba236142af09fc0bb39bdfce3d36f16963d79780bd5f
font_01_sfnt_off00008446.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8446 10316 bytes
SHA-256: 808b551bf0d6eb66ac154468da61fa835bfbd049b7b2689c3668e7c492ca4b70

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