Malicious PDF — malware analysis report

Static analysis result for SHA-256 2df0f57180e2cfac…

MALICIOUS

PDF

43.0 KB Created: 2020-08-22 00:00:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f108cc3966d611daafc212e03dd19ccd SHA-1: 45dfe3bd744e944d4c49dd9ac314906ddad9b54c SHA-256: 2df0f57180e2cfaccf602cbcaef18322fe3d50a1101a1bb356516077c0ae32c9
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.com/pify?keyword=limiting+reactant+and+percent+yield+lab+answers', suggesting a lure to a malicious site. The presence of a PDF link farm heuristic further indicates an attempt to distribute malicious content through seemingly legitimate-looking documents.

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=limiting+reactant+and+percent+yield+lab+answers In PDF document text
    • http://tizilozes.stincrowvoden.com/uploads/1/3/0/9/130969280/zagirajukas.pdfIn PDF document text
    • http://xirim.w-here2stay.org/uploads/1/3/2/6/132682347/4794229.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/1/0435/7623/0046/files/fortran_95_2003_for_scientists_engineers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0398/5570/files/pidunaparevisewiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9286/0327/files/stihl_fs_250_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7003/7917/files/98116989571.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1304/5398/files/feedback_control_systems_5th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/wugumojapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6635/2025/files/73134053850.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9671/7992/files/annexure_m_for_passport.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9176/8984/files/coyote_ugly_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/3029/4177/files/japan_rail_pass_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6105/9477/files/algebraic_expressions_and_equations_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0300/9430/files/16259234543.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_off000068bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68BC 5668 bytes
SHA-256: 5485622b5c70293910d1c0c4034b4d2d8197427a6bb8feae673e727a6db6b372
font_01_sfnt_off00007bec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BEC 10320 bytes
SHA-256: 3af4abc377c4662c8b09a9b6e408cea1689389738e05897b9d22df314227fb37

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