Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1f23ad31c41c59f…

MALICIOUS

PDF

62.4 KB Created: 2020-08-26 00:10:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 035ac96d9a77fdc2d15ec04744202800 SHA-1: 0108ab329a6701a24359302723bee6dd156422d9 SHA-256: d1f23ad31c41c59f8f48705a6df4049557977f9ccd084431c26fd490a116553a
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though partially corrupted, contains the same malicious URL and a reference to 'Genesys character sheet fillable', suggesting a lure. The primary intent appears to be redirecting the user to malicious infrastructure.

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=genesys+character+sheet+fillable
    • http://files.graffitiwgratitude.com/uploads/1/3/0/7/130738814/808e7b1556b9ad.pdf
    • http://files.themechatroniclibrary.com/uploads/1/3/0/8/130874102/7445008.pdf
    • http://vezema.theloopdeloop.com/uploads/1/3/1/1/131163599/lekibugobev.pdf
    • https://cdn.shopify.com/s/files/1/0431/7216/7841/files/43018303042.pdf
    • https://cdn.shopify.com/s/files/1/0437/7464/0286/files/93713661528.pdf
    • https://cdn.shopify.com/s/files/1/0434/9919/2472/files/47070573503.pdf
    • https://cdn.shopify.com/s/files/1/0435/2091/7668/files/turamixuzinivegepasezosad.pdf
    • https://cdn.shopify.com/s/files/1/0429/6510/6847/files/94960061079.pdf
    • https://cdn.shopify.com/s/files/1/0430/2536/7194/files/waiting_for_godot_a_tragicomedy_in_two_acts.pdf
    • https://cdn.shopify.com/s/files/1/0431/9041/9616/files/wawolirolababexez.pdf
    • https://cdn.shopify.com/s/files/1/0431/0859/7927/files/rotagaze.pdf
    • https://cdn.shopify.com/s/files/1/0429/6887/5157/files/baumanometro_manual_mercadolibre.pdf
    • https://cdn.shopify.com/s/files/1/0462/9073/1169/files/brecon_high_school_estyn_report.pdf
    • https://cdn.shopify.com/s/files/1/0432/9078/7996/files/kagisarekoxi.pdf
    • https://cdn.shopify.com/s/files/1/0437/0307/4984/files/blankets_craig_thompson.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_off0000a97c.bin
5cad570aaf5550acfcaf62894eec66e85fa5621088191d65e069ac1eb02a135a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA97C 5240 bytes
font_01_sfnt_off0000bb51.bin
e5d7d380fed3c817a9cc7cce6341b3e51ef8cde47ebbb77b5ce84f3786c2d62e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB51 16068 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.