Malicious PDF — malware analysis report

Static analysis result for SHA-256 affeede686eeffbf…

MALICIOUS

PDF

45.8 KB Created: 2020-08-23 17:47:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e6eedbe8835bebfb997a772e3b37517a SHA-1: ce05712ef8df749c10516e7033e5f8f7d22d6430 SHA-256: affeede686eeffbf227d49aa033158d3c8ddcfd244993daddba28e169042433b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though partially corrupted, contains text related to 'Rise of Kingdoms troop training guide' and the malicious URL, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, likely for SEO manipulation or to host further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=rise+of+kingdoms+troop+training+guide
    • http://files.teachertalkstruth.com/uploads/1/3/0/8/130814666/bekafugede-zikobox.pdf
    • http://files.marketmovesmatt.com/uploads/1/3/0/8/130874629/nuvigure-bufagejiv.pdf
    • https://cdn.shopify.com/s/files/1/0440/8960/6294/files/lupoverewimomeguz.pdf
    • https://cdn.shopify.com/s/files/1/0440/5752/6437/files/jonomovewotodir.pdf
    • https://cdn.shopify.com/s/files/1/0431/7157/8007/files/the_art_of_war_full_book.pdf
    • https://cdn.shopify.com/s/files/1/0437/2099/9064/files/javascript_blob_example.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/xamavuwugo.pdf
    • https://cdn.shopify.com/s/files/1/0439/3972/5470/files/ancyl_constitution_download.pdf
    • https://cdn.shopify.com/s/files/1/0439/0957/8904/files/abbyy_transformer_12_full_pdf_word.pdf
    • https://cdn.shopify.com/s/files/1/0435/2930/6272/files/coast_guard_blue_jacket_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0107/7142/files/51080913231.pdf
    • https://cdn.shopify.com/s/files/1/0432/6942/3257/files/narufusowaruwe.pdf
    • https://cdn.shopify.com/s/files/1/0439/1878/6728/files/20252902097.pdf
    • https://cdn.shopify.com/s/files/1/0433/2643/9582/files/lubipefokezerig.pdf
    • https://cdn.shopify.com/s/files/1/0441/0572/8152/files/matusosoxupisape.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f1e.bin
99357a795afb64f0defb86e326b70200f30ed22ab96d300a5e6305151b73035b
pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1E 5400 bytes
font_01_sfnt_off0000715e.bin
579a6c8fa97c194f6209b738d2cd532a790ee8faee6268ef7cae4d618f2f3c6d
pdf-font-stream PDF embedded font (sfnt) at offset 0x715E 8136 bytes
font_02_sfnt_off00008774.bin
9ab20423b890cc675fac01850e82ba94c64ff9d88a52960110e3b5dc59803731
pdf-font-stream PDF embedded font (sfnt) at offset 0x8774 10140 bytes