Malicious PDF — malware analysis report

Static analysis result for SHA-256 cacdea105fa91438…

MALICIOUS

PDF

42.6 KB Created: 2020-08-27 15:41:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 915aee89935b3c6fbd61f54f7b76dd2d SHA-1: bf61cd56f563cdcf9ce6d11f69d8611b101c2853 SHA-256: cacdea105fa91438c1bded07a52c7f2bc6024e7152359998cab9fe4efcb5f35a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.me'. This suggests a lure to a malicious site, likely for phishing or malware distribution. The document body contains garbled text and a reference to 'vector magic torrent', which may be part of the lure. No scripts were extracted from this sample.

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.me/pify?keyword=vector+magic+torrent
    • http://files.moxienmotion.com/uploads/1/3/0/7/130776786/gomesi_zevugiri.pdf
    • http://files.schoolslastudentsdeserve.com/uploads/1/3/1/4/131453031/kupejubifages-sufunogujed-luxiwezilupezeg.pdf
    • http://walik.tifanylee.com/uploads/1/3/1/3/131379730/697b2d.pdf
    • http://zilezoze.investwithsmdc.com/uploads/1/3/2/8/132814956/zutuzifixi.pdf
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/55177965886.pdf
    • https://cdn.shopify.com/s/files/1/0428/0591/9903/files/68501626419.pdf
    • https://cdn.shopify.com/s/files/1/0433/2145/8853/files/ovulation_calendar_for_mobile.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wotedosepano.pdf
    • https://cdn.shopify.com/s/files/1/0435/6525/2771/files/hr_strategy_template_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/7644/3543/files/latev.pdf
    • https://cdn.shopify.com/s/files/1/0431/0797/5317/files/65974050827.pdf
    • https://cdn.shopify.com/s/files/1/0432/8236/6624/files/70488007442.pdf
    • https://cdn.shopify.com/s/files/1/0428/5654/6467/files/38057223638.pdf
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/27133694575.pdf
    • https://cdn.shopify.com/s/files/1/0435/8170/2303/files/old_school_hip_hop.pdf
    • https://cdn.shopify.com/s/files/1/0438/2051/5488/files/tijibatuvutasinisatufi.pdf
    • https://cdn.shopify.com/s/files/1/0434/3801/4616/files/puwobuletowunek.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_off000069ba.bin
8f90833bd1994e81dc6da6a081324ac85b2f48711e2d9d010432bb59c4719ec3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69BA 4872 bytes
font_01_sfnt_off00007a32.bin
7d09c42aadcbf22c5f30fc737755e0d8d326e0b3ff0f6d51cc05b4cdaa612fb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A32 10508 bytes

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