Malicious PDF — malware analysis report

Static analysis result for SHA-256 870084ccec943643…

MALICIOUS

PDF

42.0 KB Created: 2020-08-01 22:52:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6eff115ddb98db733e661e35dc941b9e SHA-1: 23906bd323bc6cb19afb6e0c1beab8a5abaf811b SHA-256: 870084ccec9436433e2b05495638f685ed5c04eb735d481dc04b8cd97055983e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other domains. One of the primary links, 'https://ttraff.ru/pify?keyword=how+to+delete+adobe+account', is flagged as a malicious redirector. This suggests the document is designed to lead users to malicious content through a series of redirects, likely for phishing or malware distribution. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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=how+to+delete+adobe+account
    • http://files.parlorhairboutique.com/uploads/1/3/0/7/130776067/depopufokexefu_bifijemi_venetoxasoxuna.pdf
    • http://files.agiteysirva.com/uploads/1/3/1/4/131453695/minitokateka.pdf
    • http://files.chainoflifemovie.com/uploads/1/3/0/8/130874160/b4e4dfb3d8.pdf
    • http://files.utilitytec.com/uploads/1/3/0/7/130739924/lixojepox_rakepivatazazim_zuvasu.pdf
    • http://files.elchristian.net/uploads/1/3/1/4/131455832/pejaluvozetemisaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/1362/7294/files/46805636181.pdf
    • https://cdn.shopify.com/s/files/1/0428/8613/5961/files/8134798297.pdf
    • https://cdn.shopify.com/s/files/1/0438/2969/0528/files/6205186599.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/49554427824.pdf
    • https://cdn.shopify.com/s/files/1/0429/7408/5279/files/79408569362.pdf
    • https://cdn.shopify.com/s/files/1/0429/3135/5807/files/ximuzonuv.pdf
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/92404436318.pdf
    • https://cdn.shopify.com/s/files/1/0436/0667/1517/files/kasimimajuzumogugunuluxol.pdf
    • https://cdn.shopify.com/s/files/1/0428/9062/5191/files/87285382864.pdf
    • https://cdn.shopify.com/s/files/1/0433/6680/9765/files/25535163559.pdf
    • https://cdn.shopify.com/s/files/1/0434/3024/8600/files/xovopebakigubikas.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_off000066c1.bin
c97d8ab6224250bc90e2b24f45acbaf2694f28e03ed561916a56a1f511ef7955		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66C1 4852 bytes
font_01_sfnt_off00007766.bin
e88ad75806bfa481d1f9d50040ad8c09c9acace77b619223d1f1f5795cf531cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7766 10552 bytes

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