Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f8ff54f79fd5759…

MALICIOUS

PDF

39.8 KB Created: 2020-08-20 21:39:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cf0d4b6aef03106ed86fee76b0424e7 SHA-1: 564ad259f650444687301257d80ef495a7c7446a SHA-256: 1f8ff54f79fd57596cdb1ea6af0d87be2967626c33430e8d2892ab2bb491dafb
120 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, ttraff.com, which is disguised as a lure for a game hack. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, many hosted on Shopify. The primary malicious intent appears to be directing users to the ttraff.com redirector.

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=injustice+gods+among+us+hack+android+free
    • http://files.bettmusicdepartment.com/uploads/1/3/1/4/131407045/6b2e199f7.pdf
    • http://files.ramirezromerolab.com/uploads/1/3/0/7/130775018/depegavabewivu-judulozored.pdf
    • http://mejeru.bradyscustomwoodcraft.com/uploads/1/3/0/7/130775195/vutigem_tojufan.pdf
    • https://cdn.shopify.com/s/files/1/0428/0709/9558/files/xijumivuperitubaram.pdf
    • https://cdn.shopify.com/s/files/1/0435/4513/3207/files/35508339457.pdf
    • https://cdn.shopify.com/s/files/1/0439/1557/5464/files/bruce_lee_workout.pdf
    • https://cdn.shopify.com/s/files/1/0433/3279/6574/files/cartier_bresson_decisive_moment.pdf
    • https://cdn.shopify.com/s/files/1/0433/8683/1004/files/gefinenazawepewisib.pdf
    • https://cdn.shopify.com/s/files/1/0436/8026/8438/files/bf-_888s_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/6647/5164/files/dexotirejon.pdf
    • https://cdn.shopify.com/s/files/1/0430/9221/3911/files/sensory_integration_and_the_child_ayres.pdf
    • https://cdn.shopify.com/s/files/1/0430/9018/2304/files/cambodia_visa_on_arrival_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0440/3865/2069/files/dibilureraxodiji.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_off00005d41.bin
301c4bfc59abdb8251937920f9cfaae375b183afe2069f262684ffec65031bb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D41 5480 bytes
font_01_sfnt_off00006fbb.bin
9537585d24a663c1a850230504856d8a4102f33f4f18c2da8bd717aadc684328		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FBB 10148 bytes

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