Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdea895a04578c91…

MALICIOUS

PDF

53.7 KB Created: 2020-08-03 17:45:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 93c9efcde7dcb40526e08b8c9cf4d717 SHA-1: a7101d921bce3c0b324597d32eea8da6dcfc9518 SHA-256: fdea895a04578c91fa26dab0dbdde9ae8159ab290076b0cadeeb83875d2b8bc1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. This indicates a phishing or redirection attempt, likely to deliver a second-stage payload or lead the user to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility.

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=calistenia+workout+pdf In PDF document text
    • http://dovawes.orangeandfawnrex.com/uploads/1/3/1/4/131452883/zuvarasukalulixag.pdfIn PDF document text
    • http://files.splitdecisionimprovcomedy.com/uploads/1/3/1/6/131637150/5758565.pdfIn PDF document text
    • http://files.victoriakileart.com/uploads/1/3/1/6/131607733/4872363.pdfIn PDF document text
    • http://files.thegoddessloft.com/uploads/1/3/0/7/130775413/6c78387b009a3.pdfIn PDF document text
    • http://files.holytrinityri.com/uploads/1/3/2/6/132695477/xuzazut.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/1/0434/0062/6325/files/16680387257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/vowogasunulubeviri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7777/1162/files/44689211407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6621/9941/files/88537935895.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/lajun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6221/4304/files/tijanasoraneporofuwuzana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9983/1966/files/38211342033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8092/4840/files/lasavofojitakubigexojaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/nanulekukojegiputajifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/86060847569.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7556/7770/files/bufipevifolamefiwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3152/6561/files/57229916761.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_off00009500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9500 5096 bytes
SHA-256: fd38b9a6743ba97e938487cdc7f026b14d2430d1121553d034ae597a970f2c4b
font_01_sfnt_off0000a676.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA676 10312 bytes
SHA-256: 4006edf8c3c8df4e49da5a9f9c0c7e56090e423d3b0364c4fe92fbeec465aa60

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