Malicious PDF — malware analysis report

Static analysis result for SHA-256 26e07f2a9dc3a0d2…

MALICIOUS

PDF

42.2 KB Created: 2020-08-21 15:09:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ce6538643625e8292ea59b01c6d49bc SHA-1: 5687959e7529060a912618ae10aa3af46d2959de SHA-256: 26e07f2a9dc3a0d271b33ab08daceba640290a5896730b9cf1ef14c2c329b6d6
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at `ttraff.cc`. This suggests a link farm or redirection tactic to obscure the final malicious destination. The document body, though malformed, contains the same keyword as the malicious URL, indicating a potential 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=chevron+pattern+template+for+cakes
    • http://files.hamtaladesigns.com/uploads/1/3/0/7/130775071/rufovudopura-sulivudotori-zajiregupitoda.pdf
    • http://wesozup.prakritidance.com/uploads/1/3/0/8/130873782/336e3cb02.pdf
    • http://files.heroesofcolor.com/uploads/1/3/0/7/130776164/ripupa.pdf
    • http://divenoze.serviceunit611.com/uploads/1/3/2/8/132816036/8568345.pdf
    • https://cdn.shopify.com/s/files/1/0428/2561/3475/files/5144388508.pdf
    • https://cdn.shopify.com/s/files/1/0438/3434/3574/files/58764409599.pdf
    • https://cdn.shopify.com/s/files/1/0432/1827/2423/files/67815445746.pdf
    • https://cdn.shopify.com/s/files/1/0429/5639/0559/files/minions_language_translator.pdf
    • https://cdn.shopify.com/s/files/1/0430/2965/9797/files/bridal_march_piano_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0434/2569/3845/files/gazataka.pdf
    • https://cdn.shopify.com/s/files/1/0435/1596/9688/files/92111825529.pdf
    • https://cdn.shopify.com/s/files/1/0443/0499/0364/files/3_minute_persuasive_speech_examples.pdf
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/elective_maths_syllabus_for_shs.pdf
    • https://cdn.shopify.com/s/files/1/0428/1673/3340/files/41407187206.pdf
    • https://cdn.shopify.com/s/files/1/0435/5047/4399/files/balto_story.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_off00006678.bin
55f9204f833c3adf4966c02ee14d2374c34dfc4eafb1e4af7e39b85083573605		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6678 5284 bytes
font_01_sfnt_off00007849.bin
e944daa0e584eea66a6aa2e78d1693705b9af0f91e6b5b1f86f9ac2b1839e55c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7849 10532 bytes

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