Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2fde12cce163c00…

MALICIOUS

PDF

42.7 KB Created: 2020-08-18 18:00:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 75b8f0a3d0dee2bc59d9c84aefbc46de SHA-1: 549209d7e22f6ff124543d0a4cbb862fe24ebb8d SHA-256: e2fde12cce163c00ff3f12ae9ce78b43cac37888ad6203366dc0b25e6e5cbfda
194 Risk Score

Malware Insights

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

The PDF file contains a link farm with 13 external PDF links, many of which point to Shopify domains. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=bullfrog+spa+model+451+owners+manual'. This suggests the document is designed to lure users to malicious infrastructure. No scripts were extracted from this sample.

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=bullfrog+spa+model+451+owners+manual In PDF document text
    • http://files.courtneyfordart.com/uploads/1/3/0/7/130739996/funuriwowus.pdfIn PDF document text
    • http://besew.olivialevez.com/uploads/1/3/0/8/130813042/2808aed46da95.pdfIn PDF document text
    • http://files.mrbsfinest.com/uploads/1/3/2/3/132303080/wozesepivijiwox.pdfIn PDF document text
    • http://files.jjwhitememorial.org/uploads/1/3/1/8/131871970/863fcf.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/1/0428/6880/1702/files/insanity_workout_exercise_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4517/0850/files/9_cadrans_de_l_abdomen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6705/6029/files/status_i_plural_bestmd_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7132/3804/files/22084334857.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1325/7885/files/fewazumalipakomobegako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2191/0694/files/learn_command_line_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2091/7668/files/13632829665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9122/1911/files/cezar_bitencourt_tratado_de_direito_penal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7792/5019/files/64526568749.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_off000065ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65EA 5764 bytes
SHA-256: daaf8bed1e1e2ea6227cfa49204924f0bee87c6a7fcb194c5a1c427a76f117c0
font_01_sfnt_off00007999.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7999 10696 bytes
SHA-256: 736e14b57dda1df4774593fd664a6fc1d4c129b3115cc92962b76c0e7b61f94b

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