Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb3006b912253dc3…

MALICIOUS

PDF

45.2 KB Created: 2020-08-06 22:28:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ea00df658b15118512581f52893e71d SHA-1: 41fb75992571a852eff27c317bbef15064bdecbf SHA-256: eb3006b912253dc3a58012daf7890875c5f9952952f4fb3bfe6fa598f5565167
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=adobe+lightroom+tutorials+pdf+free+download', is designed to lure users into downloading content. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various files, some of which are hosted on Shopify. The primary malicious URL is the most critical IOC.

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=adobe+lightroom+tutorials+pdf+free+download
    • http://luvuzutos.petaupairs.com/uploads/1/3/0/8/130874197/6002406.pdf
    • http://files.thefilamentstudio.com/uploads/1/3/1/6/131606035/fakesijerisaz.pdf
    • http://files.firstteam904.org/uploads/1/3/1/3/131384289/8fe16b0c.pdf
    • https://cdn.shopify.com/s/files/1/0435/4496/9365/files/personality_test_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/2510/4028/files/dimazanalewapuxija.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89089693040.pdf
    • https://cdn.shopify.com/s/files/1/0429/5491/5993/files/jaraxod.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/19226327459.pdf
    • https://cdn.shopify.com/s/files/1/0437/5845/2897/files/lyman_reloading_manual_50th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/4277/4935/files/jenuxemivimopisoma.pdf
    • https://cdn.shopify.com/s/files/1/0435/7432/9499/files/elizabeth_bathory_book.pdf
    • https://cdn.shopify.com/s/files/1/0438/1864/7709/files/zufijifofirizetutubuga.pdf
    • https://cdn.shopify.com/s/files/1/0432/2505/5389/files/gironogif.pdf
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/81954129427.pdf
    • https://cdn.shopify.com/s/files/1/0428/1283/3959/files/ledegajezafa.pdf
    • https://cdn.shopify.com/s/files/1/0438/3195/1517/files/mckenzie_method_back_exercises.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_off0000718c.bin
03f040c194227ab257224cda1013a7b983c600b93dacf536176a9e93c0193b2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x718C 5676 bytes
font_01_sfnt_off000084b2.bin
09df28cc54e3569e79ec3d3438f871315feb9f8d2caea0d09ab83467fe0b125f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84B2 10160 bytes

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