Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed294d7894308658…

MALICIOUS

PDF

47.9 KB Created: 2020-08-06 20:12:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d56bc54631f580ac8a710d6986b7d93e SHA-1: 1053d1e8b19812ac3ccb300a2e6531ca3f0d664a SHA-256: ed294d7894308658893586770112c3274eb339c1926be67cced02468bf951988
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the payload. The document also contains a large number of links to various PDF files hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms a high likelihood of a malicious intent, such as credential harvesting or malware delivery.

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=old+age+problems+pdf In PDF document text
    • http://files.centraldancehongkong.com/uploads/1/3/1/4/131437799/tibelikogaril-wurewed-taxalilawitu.pdfIn PDF document text
    • http://files.quintinowens.com/uploads/1/3/0/9/130969987/geguzegaluwu_kenanojofidab_wurasulo.pdfIn PDF document text
    • http://files.danyaleducation.com/uploads/1/3/1/8/131857920/ketiboxuji_jojuzodixi_bodadoka.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/1/0428/6060/9703/files/54520860904.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1478/1085/files/40790415565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27947700243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7378/1411/files/16084228335.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2826/6654/files/xujamalafawaxur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/xasugivowigatu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7655/8746/files/muxamurirawodov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2797/1741/files/856832312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9798/0056/files/2623331442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8585/5897/files/adyashanti_resurrecting_jesus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/barron_s_gre_math_workbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1403/6376/files/82628909976.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 4

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_off00007dea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DEA 5528 bytes
SHA-256: 4cd0549357e7e41ac4836b8e3e8422f940c80d4648eb99c9534fdfe040f574cd
font_01_sfnt_off00009095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9095 10144 bytes
SHA-256: c20e885e0174d831871bfc5e11a59ffd4df023f496e2d27ab04a2629cb376f50

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