Malicious PDF — malware analysis report

Static analysis result for SHA-256 9967210a055eaee9…

MALICIOUS

PDF

59.2 KB Created: 2020-07-19 20:55:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9eafdbe63f5af08b06c51081eb35085f SHA-1: bd0fd2c597941e1a886aa2ea1f8d82b60eaeefe1 SHA-256: 9967210a055eaee9412814a6c8d8fd44711e415d115598ca6813c179e04ac32b
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links to external websites, including a redirector at 'ttraff.cc', indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains text related to 'cable tv guide detroit', suggesting a lure to trick users into visiting the malicious links.

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.cc/pify?keyword=wow+cable+tv+guide+detroit
    • http://files.techedmn.com/uploads/1/3/1/6/131636712/soxax_tupoluzudaken_babuguva_marunej.pdf
    • http://files.supportupnurses.org/uploads/1/3/2/6/132695347/doxutelotewefeb.pdf
    • http://files.meganmcgarrymusic.com/uploads/1/3/1/1/131164281/lifunek.pdf
    • http://files.lifeandlemonsboutique.com/uploads/1/3/1/4/131438432/4e9ca0f6c99.pdf
    • http://files.krispykleanautospa.com/uploads/1/3/1/6/131607110/ac9e03f82558cd3.pdf
    • http://files.racqueteerstennisclub.net/uploads/1/3/1/4/131409158/vewalobilezij_fanenepu_lofokovixezuwi_rotejerixopotes.pdf
    • http://files.foryourhead.net/uploads/1/3/0/7/130739459/ziraragevalo_muzugevizovugor_turukazu_momirapug.pdf
    • http://files.rachelkoren.com/uploads/1/3/1/3/131398542/8ea1638a1c4d.pdf
    • http://files.mnhistoryalliance.org/uploads/1/3/1/8/131856191/829a9.pdf
    • http://files.foryourhead.net/uploads/1/3/0/7/130739459/ziraragevalo_muzu
    • https://tokejar.files.wordpress.com/2020/06/88803193463.pdf
    • https://zabalojiji.files.wordpress.com/2020/06/fugakumapotukizive.pdf
    • https://satipukaza.files.wordpress.com/2020/06/37767847833.pdf
    • https://modimuxuw.files.wordpress.com/2020/06/kamaxoruwimofakumave.pdf
    • https://cdn.shopify.com/s/files/1/0431/8897/7813/files/84310254017.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jewaxepolirabosumasedud.pdf
    • https://cdn.shopify.com/s/files/1/0434/0970/3062/files/jagunupemawugetulifusar.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdf
    • https://cdn.shopify.com/s/files/1/0428/4848/5535/files/51476182911.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76106621034.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
    • https://cdn.shopify.com/s/files/1/0429/2060/7900/files/doxidololiguwugodefa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009653.bin
6f1fe1efb4380b3ced55dbac3c1225a36c3cae57c4537b38c729d3286ddc3b89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9653 5008 bytes
font_01_sfnt_off0000a789.bin
b01452ccf63572a525eacfb393bee7cf50b9dc86ef48bfb0eab0452f47fd8741		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA789 10076 bytes
font_02_sfnt_off0000ca3f.bin
c1f80de4613e5acc57412aebe063f96aa0e29f98f2f1f158c4c60491510a14e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCA3F 5816 bytes

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