Malicious PDF — malware analysis report

Static analysis result for SHA-256 82be388d73ff5428…

MALICIOUS

PDF

47.0 KB Created: 2020-08-14 22:13:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49ae4753b50b1114f4657cc28afa2af2 SHA-1: 3a9e8a100f1917108d4c7d937f14e5c91b9e5480 SHA-256: 82be388d73ff54282a7fdad2ab96f1bccef943f37ac533ab83ec882fb7fb7288
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. This redirector is likely used to obscure the final destination, which could be a phishing page or a malware download. The presence of a large number of external links, many pointing to Shopify domains, suggests a link farm or SEO poisoning attempt to lure victims. No scripts were extracted, but the primary malicious functionality appears to be the redirection via the embedded URL.

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.com/pify?keyword=tropico+4++full
    • http://files.dreamwayborzoi.com/uploads/1/3/1/4/131406391/ziwane-gevifokezije.pdf
    • http://files.pterodactylaerospace.com/uploads/1/3/1/4/131454238/zabotasazonelapifeje.pdf
    • https://cdn.shopify.com/s/files/1/0434/3644/1767/files/public_policy_making_in_nigeria.pdf
    • https://cdn.shopify.com/s/files/1/0433/9436/7649/files/strategic_management_process_steps.pdf
    • https://cdn.shopify.com/s/files/1/0439/5306/2043/files/doxubofobokogizenizafe.pdf
    • https://cdn.shopify.com/s/files/1/0430/0413/3525/files/baparupijerebo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0968/7208/files/19405402849.pdf
    • https://cdn.shopify.com/s/files/1/0428/1267/0111/files/xuxinirilu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7320/0537/files/daily_mirror_crossword_puzzle_answers_for_today.pdf
    • https://cdn.shopify.com/s/files/1/0436/0175/6323/files/78580431670.pdf
    • https://cdn.shopify.com/s/files/1/0430/1642/1529/files/xowunuveguxejazebez.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/12801200135.pdf
    • https://cdn.shopify.com/s/files/1/0428/3593/5388/files/17914101054.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_off00007065.bin
02252a34f7a30eb9002ba7165bff8d40cbeded37e7d3550c7de3b21eb5011cb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7065 4236 bytes
font_01_sfnt_off00007ed0.bin
181e26de1c18f2c96f0603e9f2d29162f373c86d32bf14d908726d90266f5d23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7ED0 10080 bytes
font_02_sfnt_off0000a151.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA151 4324 bytes

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