Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9122d9a20fed7d8…

MALICIOUS

PDF

47.5 KB Created: 2020-08-30 22:51:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0dc14a1d053b1b2e100c068bf263242a SHA-1: 2d6ea1e304e83a513e7aaa12a45c62e06bb5fddc SHA-256: e9122d9a20fed7d8ad9dbbaf80ad7b981a23b7de9b28d768919b5dabff373d00
152 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.cc). The document also features a link farm with numerous URLs hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms a likely phishing or malware delivery attempt.

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.cc/wix?keyword=agile+project+management%2528+agilepm+ha
    • https://cdn.shopify.com/s/files/1/0437/2794/5879/files/48455497243.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdf
    • https://cdn.shopify.com/s/files/1/0437/6074/6648/files/lagemaxovumav.pdf
    • https://cdn.shopify.com/s/files/1/0432/1984/5278/files/vermintide_2_when_to_open_chests.pdf
    • https://cdn.shopify.com/s/files/1/0432/6916/1110/files/wajud.pdf
    • https://static.usrfiles.com/ugd/b8c837_ed579ad385854d5c88d434ac03084648.pdf
    • https://static.usrfiles.com/ugd/b8c837_033de887905148569c3e85de2ab17e19.pdf
    • https://static.usrfiles.com/ugd/b8c837_8b19053dcb8b430fa29ae142c58b6a2b.pdf
    • https://static.usrfiles.com/ugd/5b5da7_ff8dc7e1a9da416bb455dae4ff213584.pdf
    • https://static.usrfiles.com/ugd/d17951_ef83bb07e0d0426686ca3bf499681f82.pdf
    • https://cdn.shopify.com/s/files/1/0430/1520/9123/files/kofewanop.pdf
    • https://cdn.shopify.com/s/files/1/0428/0903/2863/files/keeping_you_a_secret_epub.pdf
    • https://cdn.shopify.com/s/files/1/0440/0264/0030/files/gijowozepiwilo.pdf
    • https://cdn.shopify.com/s/files/1/0430/1049/0519/files/what_does_a_chinese_keyboard_look_like.pdf
    • https://static.usrfiles.com/ugd/289c5e_d8978a131caf445da3f5dfe694d36366.pdf
    • https://static.usrfiles.com/ugd/01bc73_9e4b83a4c37f4b9a8d4944138bd67466.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_off00006e3e.bin
c53eb484b7c4306c28206a2324d2aba9f60236a444c3588bf79b0c724c48ce28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3E 5100 bytes
font_01_sfnt_off00007f69.bin
24239645f39d17163db98b738b98dc1374ecee8028f18601d7de3ada86520454		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F69 10388 bytes
font_02_sfnt_off0000a2dc.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2DC 4324 bytes

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