Malicious PDF — malware analysis report

Static analysis result for SHA-256 771e0f52e77e4d3c…

MALICIOUS

PDF

42.1 KB Created: 2020-08-15 00:12:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 393ff66fa49a23449f75f8e5470b9d16 SHA-1: 372e84695aae0ce7e5e59c49a9daeb088bb3c2de SHA-256: 771e0f52e77e4d3c076a4f26dcdff96e2db0bdd0294feebea5b7e0355d8ee203
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body itself contains the same redirector URL, suggesting an attempt to lure users into clicking it under the guise of 'android rpg games best graphics'. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic, likely to obscure the malicious destination.

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.com/pify?keyword=android+rpg+games+best+graphics In PDF document text
    • http://files.atlanticconfederationofclubs.com/uploads/1/3/1/8/131856146/jixobilujiz.pdfIn PDF document text
    • http://files.chesapeakewoodartisans.com/uploads/1/3/1/8/131871618/4c1ac1a95880.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/1/0433/0687/7080/files/20880330559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/71419102660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3406/7615/files/11926781045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4077/6093/files/18832211305.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/63837927548.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4734/5573/files/69450003424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6360/6429/files/base64_image_to_php.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2524/4053/files/sonamoxowanipab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2137/6410/files/zipumefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9765/3397/files/o_bewafa_song_pagalworld.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8865/7049/files/17127846464.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64B9 5584 bytes
SHA-256: fb52452c5f9f7879ae0085d4b13ce9e7295e3210abf05b0f189c701e3181017e
font_01_sfnt_off00007780.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7780 10624 bytes
SHA-256: 1a27a266b1dc62d85583b9d7eede776e96640c60324f6319f2030e0add307bc7

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