Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e10d2f2fd7f02cd…

MALICIOUS

PDF

71.2 KB Created: 2020-08-28 07:30:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fadb5b8bc1d0e5567636b74ded18f856 SHA-1: 4e39659ee00a86afc5be4025d4a54e6ed85d6697 SHA-256: 2e10d2f2fd7f02cddf5f8e8074a5e1ba5a9bd7ea855db6d989c2802ec5510e0e
152 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirection and a link farm. The primary URL, https://ttraff.ru/pify?keyword=world+war+z+audiobook+cast, is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting it's the intended lure. The presence of numerous external links, many hosted on Shopify, points to a link farm strategy to obscure the final malicious destination.

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=world+war+z+audiobook+cast
    • http://files.ajeplanners.com/uploads/1/3/1/4/131406816/sifojopese_nidukuzinagimo_xutokajofuzi_roxurugar.pdf
    • http://files.missionographer.com/uploads/1/3/1/4/131437117/wudunuzuba_zaxixesubo_tujikod_zikesedegida.pdf
    • https://cdn.shopify.com/s/files/1/0428/7057/1174/files/chaliya_chaliya_hd_video_song_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/2437/5195/files/employee_conflict_resolution_agreeme.pdf
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/penogo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8289/8840/files/assessing_listening_cambridge.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64831632673.pdf
    • https://cdn.shopify.com/s/files/1/0430/5498/9466/files/credit_card_dumps_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/72870089826.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/14318291029.pdf
    • https://cdn.shopify.com/s/files/1/0435/4323/2661/files/ferezesugokijozugov.pdf
    • https://cdn.shopify.com/s/files/1/0437/7149/4554/files/3716203738.pdf
    • https://cdn.shopify.com/s/files/1/0430/9532/6887/files/12810405379.pdf
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/metformina_500_mg_precio_benavides.pdf
    • https://cdn.shopify.com/s/files/1/0447/7868/4573/files/50200458176.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_off0000cc9d.bin
04f7c4c66ee5e50f94fca47a956ede2a2812f4334374c6cf798895874afe213a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC9D 4948 bytes
font_01_sfnt_off0000dd9f.bin
0ffdd02c1baeeea0f7398cd83c82bc7e418304a47213cabbc02b08fd0d46cc27		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDD9F 10492 bytes
font_02_sfnt_off00010173.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10173 4324 bytes

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