Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca87e476bd8183e3…

MALICIOUS

PDF

42.0 KB Created: 2020-08-25 02:21:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7ee6019b7c16f66fa3d4ae9d8a09ca2d SHA-1: a0b2a4510005949e74a027c03eb615e9d5718492 SHA-256: ca87e476bd8183e31a0f715aadd8c25b406e44410bedc78492a6d22643dfc6bc
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify'. Additionally, it exhibits a PDF link farm pattern, with numerous links pointing to Shopify-hosted PDFs. The document body, though heavily obfuscated, contains the same malicious URL and a benign Shopify URL, suggesting a lure to download further content or redirect to a malicious site. The primary intent appears to be user redirection to a potentially harmful resource.

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.ru/pify?keyword=fcpx+trailer+template+free In PDF document text
    • http://dejanus.torontopilipinosdachurch.org/uploads/1/3/0/7/130739090/jasagipuxekiwu.pdfIn PDF document text
    • http://files.vittlevibes.com/uploads/1/3/1/6/131607027/3e749190b0.pdfIn PDF document text
    • http://files.nespractitioners.com/uploads/1/3/0/7/130739907/8209662.pdfIn PDF document text
    • http://bizuvab.katasangkhae.com/uploads/1/3/1/8/131856005/xipajitekijiw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7807/4020/files/geduranadunidumagux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0931/8813/files/29064566537.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9063/9016/files/hartford_craigslist_org.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3524/5209/files/how_to_play_ps2_games_on_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5672/4128/files/answer_club_regulamin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1071/1971/files/90475152651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0641/9367/files/93239203587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0849/0663/files/56384145179.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5161/3334/files/nefepewubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8734/7360/files/97789441265.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B43 4580 bytes
SHA-256: 158363c92f0c4c14a2c43c5f5286cb0d66326585ead209154d0996e4f53da183
font_01_sfnt_off00006ad0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD0 10096 bytes
SHA-256: f1c85be821f1e772e323c537abc7d9193e1be5c7a78ab1fae58489f3febea631
font_02_sfnt_off00008d61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D61 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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