Malicious PDF — malware analysis report

Static analysis result for SHA-256 0387602b03f98518…

MALICIOUS

PDF

43.8 KB Created: 2020-08-22 01:53:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e719f304c935a6c089d0d171181eab27 SHA-1: 106d09df2a836659e60ff9e65d127d2189c179ac SHA-256: 0387602b03f985181ee34925f46147b19f1b6151f78915549aff0df24c0aa71f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, contains references to the redirector URL and other URLs hosted on Shopify and other domains, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness, and the presence of redirector links points to an attempt to lead the user to malicious content.

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=culpable+homicide+sentencing+guidelines+scotland In PDF document text
    • http://files.arizonagooners.com/uploads/1/3/0/7/130776728/2c42f7e66.pdfIn PDF document text
    • http://files.drivesmartweldcounty.org/uploads/1/3/0/7/130739991/4019026.pdfIn PDF document text
    • http://gizej.badassoffitness.com/uploads/1/3/1/6/131607163/5a6f0020605c2.pdfIn PDF document text
    • http://files.napervillebedbugs.com/uploads/1/3/1/4/131406505/5620646.pdfIn PDF document text
    • http://gedabi.yoga4youthtt.com/uploads/1/3/0/8/130873825/8080019.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/1/0428/0634/5895/files/jejavusibodibuvemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6199/1841/files/adobe_indesign_cs6_full_version_crack_keygen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8226/1415/files/nutritional_value_of_coconut_water.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9177/2063/files/66870690527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/reguvipogefipivaxoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3502/3770/files/9660387176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8585/5897/files/abbyy_transformer_3._0_keygen_crack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0300/9430/files/21991092216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/babybjorn_bassinet_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6670/4550/files/pitexibopelewuf.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 5

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_off00006c36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C36 5436 bytes
SHA-256: af4998b6f38ccbb1114decfe9ba4da64a5628f419e81813783394d516a5de5a0
font_01_sfnt_off00007e87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E87 10468 bytes
SHA-256: a0f97a37e718ca675f9d1efd4ffbfba411d41dd58408166bdb6036579ee5d574

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