Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aee6028fe4255e9…

MALICIOUS

PDF

41.7 KB Created: 2020-08-19 13:04:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d42bff424569b52575a3ad0566dea5b SHA-1: c25ab1de02c4241d7d5eb0e264bea80b11cd9d07 SHA-256: 9aee6028fe4255e93262ca1fd2a72705d5886a7bdb984cbedcd36c95ea41eb0b
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=liftarens+guide+till+galaxen', which is likely used to lure victims to malicious content. The document body, though partially corrupted, contains this URL and other benign-looking Shopify URLs, suggesting a deceptive tactic.

Heuristics 3

  • 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.
  • 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=liftarens+guide+till+galaxen
    • http://files.body-knowledge.com/uploads/1/3/2/6/132681824/2094315.pdf
    • http://files.tallthingsconsidered.com/uploads/1/3/2/6/132681443/3700123.pdf
    • http://files.mindfulmeanings.com/uploads/1/3/0/7/130775245/gesafiromawusixek.pdf
    • http://files.plaidelephantprops.com/uploads/1/3/1/3/131380841/xinifelubej.pdf
    • http://files.northstarelite.org/uploads/1/3/2/3/132302735/132542b3fc77dbc.pdf
    • https://cdn.shopify.com/s/files/1/0431/1249/7312/files/41420329870.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/s._mzstatic._com_e2_80_9d.pdf
    • https://cdn.shopify.com/s/files/1/0432/2761/1295/files/jigarosepepiwerekabagaguw.pdf
    • https://cdn.shopify.com/s/files/1/0432/1483/1780/files/gidezejusodepesipelebaga.pdf
    • https://cdn.shopify.com/s/files/1/0429/3751/6191/files/akademia_pana_kleksa.pdf
    • https://cdn.shopify.com/s/files/1/0430/8189/1989/files/bitdefender_64_bit_offline_installer.pdf
    • https://cdn.shopify.com/s/files/1/0432/4737/0402/files/liwusov.pdf
    • https://cdn.shopify.com/s/files/1/0428/3600/0931/files/ibps_clerk_2020_notification_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/7470/7868/files/90934996639.pdf
    • https://cdn.shopify.com/s/files/1/0431/3609/0267/files/11758563902.pdf
    • https://cdn.shopify.com/s/files/1/0429/1805/1996/files/tatumuvazesidalajefupilo.pdf
    • https://cdn.shopify.com/s/files/1/0430/8389/0850/files/64158246198.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000666d.bin
13abaa85b945f1e9bfcdaf1d8eb0d53a16dc1b39cf3658e9f6feb5949da0334f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x666D 5084 bytes
font_01_sfnt_off000077c3.bin
c2decf45a7ce0f9142772768888c57af4668b00c42ec9a22f01dd9bc496cdfbf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77C3 10068 bytes

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