Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e4a1cbf4d8d2fdb…

MALICIOUS

PDF

38.5 KB Created: 2020-08-10 17:16:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f728337e983984c95e8800672599a39a SHA-1: 82f8a329cda549d96d8c70cebb89e02e94e5009a SHA-256: 2e4a1cbf4d8d2fdb90bbf06f41a921fb1b468eb744e3af273286f8970a34a3dc
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link to 'ttraff.com' is identified as a malicious redirector. This suggests the document is part of an SEO poisoning or phishing campaign designed to lure users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.

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=arap%25C3%25A7a+t%25C3%25BCrk%25C3%25A7e+hikaye+kitaplar%25C4%25B1+pdf In PDF document text
    • http://files.sidsherwin.com/uploads/1/3/1/8/131856041/piwiginadefe-gifovuro-vipijaxagired-xutefe.pdfIn PDF document text
    • http://files.umnnavs.org/uploads/1/3/1/4/131454883/sawuxerativuzud.pdfIn PDF document text
    • http://files.shunsart.com/uploads/1/3/1/8/131871854/wigaloraziforuviv.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/1/0428/9980/0217/files/pipekapefukopukodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/zelilofeverosowomobad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1517/5335/files/fobizolugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6980/9564/files/26354843400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0792/5654/files/40006964266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4511/7342/files/duxevezumudefav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6263/2360/files/vikigosaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39806276645.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuwuvedalolavotidexetugom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1553/6793/files/zoduzowudiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6797/3538/files/kalnirnay_calendar_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/ahmedabad_city_gujarati.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7066/6392/files/1-_99_farming_guide_osrs.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 7

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_off00004974.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4974 5012 bytes
SHA-256: c01900ae15e4009d38d39be16dba2abd25719619da5dad7e32ddb936fa1310ad
font_01_sfnt_off00005a9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A9B 10828 bytes
SHA-256: 293d6c2cefd23f77a2e769a8ba76a8fad61fd914dc4ca838a3c42f66c8850996
font_02_sfnt_off00007ca8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA8 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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