Malicious PDF — malware analysis report

Static analysis result for SHA-256 4694b9d9cc6a84ee…

MALICIOUS

PDF

54.4 KB Created: 2020-08-17 04:38:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ffda07885b05308bdbf697ab70491ac SHA-1: 68144b121c6018a18fed41554514ca8d1fa4ed1e SHA-256: 4694b9d9cc6a84ee54f33823151492350803ade896df23963f43c0f90db9899e
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for movie-related content, directing users to a malicious URL. The presence of a link farm further supports the malicious intent of distributing malicious content.

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=adanga+maru+hd+movie++moviesda.+com
    • http://kojigopug.kumarivalentine.com/uploads/1/3/1/4/131406507/bubukasowazuxonid.pdf
    • http://files.northhavenmainehistoricalsociety.org/uploads/1/3/1/4/131452958/a0734b5.pdf
    • http://files.pianomanlarryhunt.com/uploads/1/3/1/6/131606670/dopofe-pusumixuwoje-xekakefowi-xisevenizajare.pdf
    • http://files.endohealing.com/uploads/1/3/0/7/130740124/5358023.pdf
    • https://cdn.shopify.com/s/files/1/0428/5893/8531/files/operational_amplifiers.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jokopewizemaw.pdf
    • https://cdn.shopify.com/s/files/1/0428/4396/3548/files/17781834648.pdf
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/sexon.pdf
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/best_free_guitar_vst.pdf
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/trip_itinerary_word_template.pdf
    • https://cdn.shopify.com/s/files/1/0433/6569/5638/files/siwimenolagexevefi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2930/7293/files/68761493562.pdf
    • https://cdn.shopify.com/s/files/1/0434/0816/2974/files/xegigojisuwamijej.pdf
    • https://cdn.shopify.com/s/files/1/0431/0558/3266/files/88430895079.pdf
    • https://cdn.shopify.com/s/files/1/0436/3295/1446/files/88689517986.pdf
    • https://cdn.shopify.com/s/files/1/0437/9597/2256/files/animal_word_search_puzzle.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_off00009780.bin
b7daefb8ed9ff1bff95a14017e876239f8ad74c1e4c89ab86b406b872b298bbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9780 5404 bytes
font_01_sfnt_off0000a9bb.bin
0748a1319af09d7425b389b9b81265dcee7b9abc10a497007015044d08c30142		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA9BB 10240 bytes

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