Malicious PDF — malware analysis report

Static analysis result for SHA-256 263981888f20b6f7…

MALICIOUS

PDF

46.2 KB Created: 2020-08-22 12:07:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 99329c46bcd6a3f05f780b3bcaed6427 SHA-1: d831007b7dcc495504e8c717c829938cea1de2e3 SHA-256: 263981888f20b6f738fa734457cdb3534720728a9c43e19200133a870391cf0d
150 Risk Score

Malware Insights

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

The PDF contains a link disguised as a report about a lost driver's license, which redirects to a malicious URL. The PDF also contains a mass external link farm, likely for SEO poisoning or to host further malicious content. The primary malicious URL identified is ttraff.cc, which is flagged as a malicious redirector. No scripts were extracted, limiting the analysis of the payload.

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=report+lost+driver%2527+s+license+california
    • http://files.inlihtanhealingcentre.com.au/uploads/1/3/1/4/131483955/gabidilowuniju-jorokozijag-jidatetixo-pamukelibado.pdf
    • https://cdn.shopify.com/s/files/1/0452/5555/7282/files/cerfa_13753_x_02.pdf
    • https://cdn.shopify.com/s/files/1/0437/8856/6677/files/an_inspector_calls_exam_questions.pdf
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/36560526839.pdf
    • https://cdn.shopify.com/s/files/1/0434/7543/5677/files/4539356906.pdf
    • https://cdn.shopify.com/s/files/1/0431/6741/6488/files/befuwagunelalotupivu.pdf
    • https://cdn.shopify.com/s/files/1/0436/1804/2018/files/2017_chrysler_pacifica_hybrid_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0450/2195/4206/files/conceito_de_associativismo.pdf
    • https://cdn.shopify.com/s/files/1/0435/0096/1947/files/chef_boyardee_beef_ravioli_nutritional_information.pdf
    • https://cdn.shopify.com/s/files/1/0430/3909/6986/files/38785923672.pdf
    • https://cdn.shopify.com/s/files/1/0436/9360/5014/files/brown_eyed_girl_guitar_tab.pdf
    • https://cdn.shopify.com/s/files/1/0428/1961/6935/files/watch_movies_online_free_app_for_android.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_off0000681c.bin
834f84d460b57ab1f41dbc6d5ab38bfdc37599f71daa669972371e0f662c00c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x681C 5040 bytes
font_01_sfnt_off0000795c.bin
4f8090734003f621c40312f5366fe8e907ba67f28f27654666fecb0192544cc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x795C 10684 bytes
font_02_sfnt_off00009df4.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DF4 4324 bytes

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