Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8e02f7c00077635…

MALICIOUS

PDF

32.1 KB Created: 2020-08-14 23:59:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fd0ada1e7c67cd595de1c74a0690c19 SHA-1: 30a42eb71174c4ac8af1cb88224965104b4d4c7a SHA-256: e8e02f7c0007763539535101b8158b5a2a29c285f21fc95404808dc5d91ca75b
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that is also present in the heuristic firing. This suggests the primary purpose is to redirect the user to malicious content via the ttraff.com domain.

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=adiatek+baby+43+manual
    • http://files.lancevictormoore.com/uploads/1/3/1/4/131407292/lixog.pdf
    • http://kokebokob.practicingforever.com/uploads/1/3/1/1/131164250/635182.pdf
    • http://files.darrennixon.com/uploads/1/3/0/8/130874115/ed4c1770dd.pdf
    • http://files.itgraduatefair.co.uk/uploads/1/3/0/8/130814351/9168018.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kitona.pdf
    • https://cdn.shopify.com/s/files/1/0432/6716/2276/files/terifemisaferadok.pdf
    • https://cdn.shopify.com/s/files/1/0453/4947/0363/files/mafia_card_game_rules.pdf
    • https://cdn.shopify.com/s/files/1/0435/5804/3807/files/business_process_management_weske.pdf
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/genuzomilegofuxosemopix.pdf
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/canti_scout_accordi.pdf
    • https://cdn.shopify.com/s/files/1/0449/2325/6999/files/pikujawowaxud.pdf
    • https://cdn.shopify.com/s/files/1/0434/0423/0805/files/blank_world_map_printable.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38030937597.pdf
    • https://cdn.shopify.com/s/files/1/0437/1798/4405/files/92780930646.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_off00004037.bin
da23dc62e544ab9c621f22df9e2bab9a57b48d399ff98746bdf01b4bdc702275		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4037 5244 bytes
font_01_sfnt_off0000520d.bin
54ea3f5d54f1fbe18b9feed75bfd533d107270ce96455e14ff246f82c0214dd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x520D 9952 bytes

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