Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa4c3a4b0ab1b4f3…

MALICIOUS

PDF

52.1 KB Created: 2020-09-17 01:04:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 606709af6db1067b59e90538ceeeb3c0 SHA-1: ce3dbdcd8d054c8821368a859654ba4e72725766 SHA-256: fa4c3a4b0ab1b4f3dba332a2bc56e44a3b1585f071f6eb180292e4e1f4f9c2d0
140 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised with a search query for 'oklahoma drivers license renewal price'. This link points to 'ttraff.me', which is known malicious infrastructure. The document also contains a large number of external PDF links, many of which are benign, but the primary malicious link is the critical finding. The presence of a phone number lure further suggests a callback phishing or tech-support scam attempt.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/wix?keyword=oklahoma+drivers+license+renewal+price
    • https://e91ae542-f423-4125-adde-9a30ee97494f.filesusr.com/ugd/70e7d4_5c0fe240c7f9465eab595867b4880ead.pdf?index=true
    • https://6081803a-3db9-471a-9e19-c27c079f0f99.filesusr.com/ugd/ea2f88_59d4f2f73de64f74a6508b0f3c1e30c1.pdf?index=true
    • https://7ad5b673-44ff-4f0f-995a-01f31cdcb9db.filesusr.com/ugd/b9801a_9d9bc4229c184945b043f65048db3fed.pdf?index=true
    • https://c42500de-f742-47f7-a5ab-89ae71cbed40.filesusr.com/ugd/33ab24_c6ba3d03c4564ec1972a91b7f347d545.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/sotosepujojugeluwadidanin.pdf
    • https://cdn.shopify.com/s/files/1/0428/8980/5983/files/38858268365.pdf
    • https://cdn.shopify.com/s/files/1/0430/2798/8634/files/kirigedewafowapubo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0357/5454/files/java_array_sort.pdf
    • https://cdn.shopify.com/s/files/1/0434/7805/7122/files/graves_guide_tft.pdf
    • https://cdn.shopify.com/s/files/1/0434/5869/1232/files/13118249207.pdf
    • https://cdn.shopify.com/s/files/1/0431/0754/9338/files/algebraic_expressions_class_6.pdf
    • https://cdn.shopify.com/s/files/1/0434/3519/6582/files/kagalaloxunivedelidefeno.pdf
    • https://cdn.shopify.com/s/files/1/0430/9227/9445/files/malice_book.pdf
    • https://cdn.shopify.com/s/files/1/0435/4539/5359/files/tibejokikuniloxokuxafe.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000764a.bin
965221a8e1e603ccc80b8025304614ea6306c101c66b899af7ce114748c19be7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x764A 5264 bytes
font_01_sfnt_off0000880f.bin
87560c96094722e0b06e960fc6e6e0982e5dd9a45b3b8c8ce6a725bc3f373f32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x880F 2268 bytes
font_02_sfnt_off00009221.bin
d47f376a714ca6013eaebab4b3674f0baaa318735450ae221230aa4df1e26de5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9221 10132 bytes
font_03_sfnt_off0000b4b6.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB4B6 4324 bytes

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