Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eedfb95c2815e3b…

MALICIOUS

PDF

45.1 KB Created: 2020-08-19 22:51:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 32db253eeb4745104fd0f7bce6a1bee6 SHA-1: a1e6567492333675fa1c9897e4e09346d9db6f4a SHA-256: 3eedfb95c2815e3b26f9daec1b657e141fe9f35d94b34ad61a8310f08bfc09c8
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to external PDF files hosted on various domains, including a redirector at 'ttraff.cc'. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine ranking for malicious sites. The ML classifier also strongly flagged this PDF as malicious.

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=anemia+normocitica+normocromica+en+ni%25C3%25B1os+pdf In PDF document text
    • http://belape.tghair.co/uploads/1/3/0/8/130874066/9768935.pdfIn PDF document text
    • http://files.monasfamilyemporium.com/uploads/1/3/0/8/130814596/1548286.pdfIn PDF document text
    • http://files.goodtogosocial.co.uk/uploads/1/3/0/7/130776230/zuketom-lalebadi.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/1/0429/5750/4668/files/milady_esthetics_chapter_19_workbook_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5180/3033/files/kobemede.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4642/8059/files/vedotexipafegarowoxonez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9540/9311/files/33486373474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/3006/8630/files/43433341785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2920/8988/files/complex_conjugate_of_e_ix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52299098946.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9323/7665/files/38616129981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5006/6339/files/eligard_package_insert.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7405/files/zegebiwowudefasukeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0715/6128/files/46325928019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7124/2391/files/81547410546.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_off00006e0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E0E 5468 bytes
SHA-256: 36e4f69d9609f02b8432b650fc0bbaa386a987d4be9031829b2d542df64c4a5c
font_01_sfnt_off00008045.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8045 11316 bytes
SHA-256: 0f8fc03754f6fa9a3ae7f93b82963932d585e14c89d18c362c9bde25810b06cf

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