Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c95cb251b2fedbf…

MALICIOUS

PDF

58.0 KB Created: 2020-09-10 03:52:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c1f26cfc83c1870fb5e6c35a36d15dbc SHA-1: 3c76efca4473ab1cbde87206ad052bbbd9cf5ae1 SHA-256: 3c95cb251b2fedbfc5953ffe0d150c5b6125b624d81cdd6a581ffcd5e6254f09
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. The document also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic. The primary malicious link is `https://ttraff.link/wix?keyword=free+gospel+sheet+music+piano`, which is likely intended to redirect the user to a malicious site. 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.link/wix?keyword=free+gospel+sheet+music+piano In PDF document text
    • http://jaketafa.hairymosquito.com/uploads/1/3/0/9/130969690/bofoz.pdfIn PDF document text
    • http://files.catherineodriscoll.com/uploads/1/3/1/4/131452887/6873501.pdfIn PDF document text
    • http://parevut.tanyagrahamart.com/uploads/1/3/2/3/132303338/sewita.pdfIn PDF document text
    • http://jowuni.grovecreekfarm.org/uploads/1/3/1/4/131453384/bajusabesasob.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/1/0435/4372/4186/files/gangster_movie_song_bestwap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2579/1138/files/dj_songs_telugu_new_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4172/2263/files/47150127835.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5806/9655/files/toyota_carina_e_1997_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/0955/6899/files/budilusokomugoroxizaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6812/9441/files/aithihyamala_part_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1114/4861/files/bahubali_2_video_song_mp4_tinyjuke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5620/9819/files/13839042300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/bikram_singha_full_bengali_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9279/5801/files/jumurimexagatisenif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1320/0278/files/55803267541.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6785/0390/files/17837588299.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_off00009ade.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ADE 5300 bytes
SHA-256: e43d93b4692ec0fc3c1f5bed743989458c8bb1131680b87c52e2c7654279745b
font_01_sfnt_off0000acc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xACC4 15016 bytes
SHA-256: e09ace65bc9adbe948aa3045f0880d04f4200bad2613d991809af8a2f975efc8

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