Malicious PDF — malware analysis report

Static analysis result for SHA-256 47260347def14f02…

MALICIOUS

PDF

34.4 KB Created: 2020-08-23 07:59:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ee323ebc4347b43e9e02e81058d0dd6 SHA-1: 2e920a4229d596fd6e20d6e5ab70f95a09288aff SHA-256: 47260347def14f02ca896af1dd835fb6114e99f2c0c41acf56ea171d04e1042b
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=jimmy+choo+new+video+song'. This indicates an attempt to lure the user to a malicious site. The document also contains a large number of embedded external PDF links, many hosted on Shopify, which is characteristic of SEO link farm abuse. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure.

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=jimmy+choo+new+video+song
    • http://bodutum.alphakappa32.com/uploads/1/3/1/6/131606140/bowon.pdf
    • http://files.maskcarabeautycolormatchgina.com/uploads/1/3/2/6/132681501/mozuze.pdf
    • http://files.garypermenter.org/uploads/1/3/1/6/131606260/xabagep_juwovanukude_zoxalipixaga.pdf
    • http://files.mayusilkart.org/uploads/1/3/1/3/131383664/2245704.pdf
    • https://cdn.shopify.com/s/files/1/0431/0473/1300/files/27144504579.pdf
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/67664835926.pdf
    • https://cdn.shopify.com/s/files/1/0430/1553/6793/files/bapebigifo.pdf
    • https://cdn.shopify.com/s/files/1/0436/9340/8409/files/zimifawupasi.pdf
    • https://cdn.shopify.com/s/files/1/0434/2002/4989/files/wawironameta.pdf
    • https://cdn.shopify.com/s/files/1/0431/4103/8229/files/87639559740.pdf
    • https://cdn.shopify.com/s/files/1/0437/2758/5430/files/appropriate_preposition_rules.pdf
    • https://cdn.shopify.com/s/files/1/0436/6175/4518/files/arjuna_classes_current_affairs.pdf
    • https://cdn.shopify.com/s/files/1/0428/4959/9651/files/degilusiwixu.pdf
    • https://cdn.shopify.com/s/files/1/0435/3661/3544/files/lobib.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_off000043fc.bin
4eddb4df7fb4aa4695c22a070514021e0328382187a09dbc19fb6f656acf7397		 pdf-font-stream PDF embedded font (sfnt) at offset 0x43FC 5256 bytes
font_01_sfnt_off000055d9.bin
820446a5ff97dd212e39c04d7f4530e428c2cb942115b7485c87072c396e1e3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55D9 12220 bytes

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