Malicious PDF — malware analysis report

Static analysis result for SHA-256 12f042c1845f64e8…

MALICIOUS

PDF

46.9 KB Created: 2020-08-01 16:48:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ed1346bae1a18b4e714213c28fb32afe SHA-1: e036c3e9102d22e86e4bfe4b09f423a366617ce9 SHA-256: 12f042c1845f64e89dc3ed2036597f0e02e52a16e850f1954ad9ab904b7e6fa7
194 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) that is known to host malicious content. The document body, though heavily obfuscated, contains URLs that appear to be part of an SEO link farm designed to lure victims. The primary malicious URL identified is https://ttraff.ru/pify?keyword=fara+jaca+song, which is likely used to distribute further malware or phishing 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=fara+jaca+song In PDF document text
    • http://files.vaniahair.com/uploads/1/3/0/8/130873826/gudajuvis.pdfIn PDF document text
    • http://files.masksofthegoddess.com/uploads/1/3/1/4/131437670/da2cc524.pdfIn PDF document text
    • http://files.nienkemink.com/uploads/1/3/0/9/130968920/bevuxebusosobogati.pdfIn PDF document text
    • http://files.sugarrushcustomcreations.com/uploads/1/3/0/7/130739809/pejajepisom.pdfIn PDF document text
    • http://files.outofthedarknessgriefsupport.com/uploads/1/3/0/7/130776100/a5567c8ee4076b.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/1/0431/6132/1634/files/feragofemaworasigazedapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/2273001177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68876684382.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2718/5309/files/67757701745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6588/5351/files/22842609071.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9171/3447/files/9601662297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1117/8649/files/8328313031.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1674/7170/files/american_pie_123_movies.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7898/9462/files/52123415598.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/fisisu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3815/4653/files/34727945748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2903/5158/files/xuxafat.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65EA 4508 bytes
SHA-256: 05098da43b714d9d5b9833a3ffc760bb09c28d426645f0aab48653483b280048
font_01_sfnt_off00007536.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7536 13232 bytes
SHA-256: 0a6529e9e7b276ab74a017e3cea789b0e4e4413b22c78ecbbdddda9f6d70312b
font_02_sfnt_off00009f97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F97 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361