Malicious PDF — malware analysis report

Static analysis result for SHA-256 10964890ad92503e…

MALICIOUS

PDF

39.9 KB Created: 2020-08-08 08:52:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a6b658957f76ba928879e151e519b912 SHA-1: 64aa5c1d8551a8224c84c34b7e159cc224091f0d SHA-256: 10964890ad92503ed79224c72fb365b0e44d43be30b2550e94e502d912149286
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The primary malicious link, 'https://ttraff.cc/pify?keyword=asset+management+business+plan+pdf', is designed to lure users into downloading further 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=asset+management+business+plan+pdf In PDF document text
    • http://dixej.bisonsbikes.com/uploads/1/3/2/8/132814930/vovikutukasad.pdfIn PDF document text
    • http://files.judyatraveny.com/uploads/1/3/1/3/131398134/8c242.pdfIn PDF document text
    • http://files.bamabreddoodles.net/uploads/1/3/0/8/130874691/pagojovigarurem.pdfIn PDF document text
    • http://files.discover-slovakia.eu/uploads/1/3/0/9/130969791/565f86a.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/1/0438/4745/0784/files/11637745964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4363/5879/files/67429759230.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4856/6941/files/71470630783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3504/1702/files/97709839358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2541/5843/files/garrys_hood_auto_clicker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1775/7095/files/a_beginners_guide_to_investing_ivy_bytes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1466/7934/files/74857113401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6588/5351/files/27582237903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2738/1920/files/44333002291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8258/0130/files/rules_of_subject_and_verb_agreement.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_off00005e55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E55 5392 bytes
SHA-256: ca9b1b483b588625c7419cc72d5ece5fd84e40d572c2ca20c77c5b08be9e1d9f
font_01_sfnt_off0000709b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x709B 9980 bytes
SHA-256: 15af2fe9da3037520901f5d92ea35d41e9576e5eb08d76e27bf2c58e9fd5e55e

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