Malicious PDF — malware analysis report

Static analysis result for SHA-256 d17cd4200111f43c…

MALICIOUS

PDF

48.3 KB Created: 2020-08-14 20:29:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7d26477efea197de188653ebd97c2480 SHA-1: c0c670c919181e4ca7756c8f6f1dc5963fa5e420 SHA-256: d17cd4200111f43cbc55bb809c370c4d194f9a7336c3776b0343dc7f1cde67ce
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=breast+cancer+awareness+in+nigeria+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise malicious content under a seemingly relevant topic. The presence of many external PDF links, including benign ones on Shopify, indicates a potential link farm or SEO poisoning attempt to distribute the malicious 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.ru/pify?keyword=breast+cancer+awareness+in+nigeria+pdf In PDF document text
    • http://files.microsoftconsult.com/uploads/1/3/0/7/130775732/4122f.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/1/0428/0667/3574/files/cub_cadet_1050.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3495/9256/files/xorumutipisonutebip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6526/9669/files/29349189411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1865/7703/files/zokijeniweroxafalewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8407/8503/files/tamonisabefufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7512/5919/files/toefl_ibt_reading_comprehension.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/jubutefipuzofonutega.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5147/3303/files/jidipezogujabuzinepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/naray_information_communication_enterprise.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5815/9006/files/kinonak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8937/1029/files/62247276136.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8212/0357/files/69884684016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8199/0295/files/fasarox.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 2

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_off000070ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70BA 5112 bytes
SHA-256: be0502ed9c88a94176cc039d9466480fe9ce90a38c608a500aee8821ceba791c
font_01_sfnt_off00008239.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8239 10444 bytes
SHA-256: 7e076b9b6017c4db0a22d1d08167e2ca5c9a484cfdad1696a44421fc3341cddd
font_02_sfnt_off0000a5e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5E1 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

Open this report in the interactive analyzer, or submit your own file for analysis.