Malicious PDF — malware analysis report

Static analysis result for SHA-256 8edcf0e0e3346cd5…

MALICIOUS

PDF

39.3 KB Created: 2020-08-22 23:33:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 98aef31d0aba926c7dc9d1eac0d112e1 SHA-1: 4434350b3c69f13ad9487f049f1c766fa9725934 SHA-256: 8edcf0e0e3346cd5acb6ba13a7d1730aa2c5dcc71c23fad872bec51956667645
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded links, including the primary redirector URL 'https://ttraff.com/pify?keyword=kaliani+lyle+report', suggest a phishing or social engineering attempt to lure users to malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=kaliani+lyle+report
    • http://zalox.eliezercall.com/uploads/1/3/2/8/132814930/pubogaderuvosutib.pdf
    • http://files.francinesflowers.co.uk/uploads/1/3/0/8/130813428/tesatadasefagut.pdf
    • http://ribow.blackflagtactical.net/uploads/1/3/1/4/131453060/6877952.pdf
    • http://pabani.allisanellwood.com/uploads/1/3/1/8/131871509/demixesuro.pdf
    • http://files.theoldbarnlulworthcove.com/uploads/1/3/1/3/131398504/veronamufudukezewun.pdf
    • https://cdn.shopify.com/s/files/1/0439/2170/3067/files/pokemon_blazed_glazed_game.pdf
    • https://cdn.shopify.com/s/files/1/0433/6284/4837/files/rimworld_moisture_pump.pdf
    • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/pemofujaborakebanir.pdf
    • https://cdn.shopify.com/s/files/1/0431/5653/7505/files/25777900562.pdf
    • https://cdn.shopify.com/s/files/1/0433/3862/9270/files/tofujutolovulaletemurof.pdf
    • https://cdn.shopify.com/s/files/1/0437/2601/2567/files/dayz_player_count.pdf
    • https://cdn.shopify.com/s/files/1/0432/9304/8992/files/ditupukiwexixukimijunetid.pdf
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/sumebenikovekixunatab.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_off00005efd.bin
3051095a043f0937d5c578965f2899488fa9b27835b463e08040ac0fd61ab1b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EFD 4704 bytes
font_01_sfnt_off00006f16.bin
37084042bd325b5968d784f33f29d22d707e28f2e64fc7a532cf095d8a4e80fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F16 9908 bytes

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