Malicious PDF — malware analysis report

Static analysis result for SHA-256 407f180f8b82e221…

MALICIOUS

PDF

46.2 KB Created: 2020-08-23 18:15:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8301bf8bdd6257c638428254cf176689 SHA-1: 6c9ea990bbb94b51d50152147745efb99ba0049d SHA-256: 407f180f8b82e2213514cdd43f21fb7d6ecdf310d16f46abb4face2d7ca44e9f
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 a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=sphax++1.+12.+2', is identified as a malicious redirector. This suggests the document's purpose is to lure users to malicious infrastructure, likely for further exploitation or credential harvesting. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.cc/pify?keyword=sphax++1.+12.+2
    • http://dawazi.3handstephen.com/uploads/1/3/0/9/130969280/b71c931a.pdf
    • http://files.vitoshapartners.com/uploads/1/3/2/8/132816202/8a6d740.pdf
    • http://xobujip.northwestpetroleum.com/uploads/1/3/2/6/132682076/c044b.pdf
    • http://vevel.qslowsmoked.com/uploads/1/3/1/4/131406535/5563854.pdf
    • https://cdn.shopify.com/s/files/1/0433/8361/9738/files/16907700132.pdf
    • https://cdn.shopify.com/s/files/1/0430/6645/8266/files/lafafenadigomumam.pdf
    • https://cdn.shopify.com/s/files/1/0435/5253/8787/files/11872619423.pdf
    • https://cdn.shopify.com/s/files/1/0438/3031/3122/files/tunaselesobagijiv.pdf
    • https://cdn.shopify.com/s/files/1/0435/0692/5720/files/brighthouse_tv_guide_app.pdf
    • https://cdn.shopify.com/s/files/1/0428/0785/3223/files/97970122197.pdf
    • https://cdn.shopify.com/s/files/1/0434/6845/6088/files/anime_guy_crying.pdf
    • https://cdn.shopify.com/s/files/1/0438/0426/2561/files/fidofopa.pdf
    • https://cdn.shopify.com/s/files/1/0440/0542/5310/files/semantic_barriers_to_effective_communication.pdf
    • https://cdn.shopify.com/s/files/1/0429/0409/2828/files/aggregation_and_composition_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/2813216352.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_off00006325.bin
eea06bd7e0facf7dedb42f075807ab70afa69768e631ed9b2f34c0c32ab703e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6325 4988 bytes
font_01_sfnt_off0000742c.bin
63f66cd6e0105d6564b7adecb47596fe9c7018795866af44925a161091aaa87c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x742C 10120 bytes
font_02_sfnt_off00009706.bin
6f41d85279102efce3c4bd26fddb767baf9b68a4f55e239fba9bedc2a2d3b953		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9706 16064 bytes

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