Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c27ea335c7c86bf…

MALICIOUS

PDF

41.2 KB Created: 2020-08-21 02:20:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3b18a8bb61404aee9b45dceee13ed334 SHA-1: e2abbe218fe7d4f7840b07c2b41f4c061b05da4e SHA-256: 3c27ea335c7c86bf77a9cd295420dceee2f0cbf2ebf023d7689fbfffd0cda5dc
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.cc, disguised as a search result for sheet music. This indicates a likely attempt to lead the user to a site that will distribute further malware. The PDF also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm for SEO poisoning or to spread malicious content. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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.cc/pify?keyword=allman+brothers+jessica+piano+sheet+music+free In PDF document text
    • http://files.sarahssweetwaffles.com/uploads/1/3/1/4/131437636/6adc8d20c4b.pdfIn PDF document text
    • http://files.mcclainmatthewsinsurance.com/uploads/1/3/1/4/131409090/7232005.pdfIn PDF document text
    • http://bubekek.rodsartgallery.com/uploads/1/3/0/8/130874063/032517a6.pdfIn PDF document text
    • http://bekazo.enochpacheco.com/uploads/1/3/0/7/130776611/tuvesikip.pdfIn PDF document text
    • http://files.paintrollersplus.net/uploads/1/3/1/4/131406892/7564200.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/1/0440/2266/1278/files/super_mario_bros_3_snes_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6560/6301/files/maginime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/85298014234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2929/1427/files/itunes_for_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baxumedufimoval.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2884/8538/files/tourner_dans_le_vide_english_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4042/3592/files/lixawajukadumekovuzaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2290/7549/files/zilujosevok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7223/3376/files/jozata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9232/3995/files/quantitative_aptitude_topics_in_telugu.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_off0000511d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x511D 5460 bytes
SHA-256: 2a8c4019df5340d17417cf80508c6610cc0a9952c7cb3ad4e048b2d6fd63208b
font_01_sfnt_off0000637e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x637E 15860 bytes
SHA-256: 925e28a98db990e8a3e1f3af3d45029161006c9fdb10dc7d9c81a1709de13291

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