Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9dc2dfaf1587db0…

MALICIOUS

PDF

42.1 KB Created: 2020-08-17 12:46:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 81da36905ed2e32fa4c4a0c0605e7017 SHA-1: 280774cfc39ef2c945d6e38ea8ac03b16f640642 SHA-256: d9dc2dfaf1587db0be1e18647abe70a736391d8578f2b6c2917420518f2e3d3c
120 Risk Score

Malware Insights

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

The PDF contains a prominent link that, when clicked, redirects to a malicious URL hosted on ttraff.com. This URL is part of a link farm designed to attract users searching for cracked software, specifically 'jio tv apk for android tv cracked'. The PDF itself appears to be generated by wkhtmltopdf and contains numerous other links to Shopify domains, likely as part of an SEO manipulation scheme to increase visibility for the malicious redirector.

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=jio+tv+apk+for+android+tv+cracked
    • http://files.givetotheworld.org/uploads/1/3/1/6/131606690/dafutog-bivelo.pdf
    • http://semat.jamiescrew22.org/uploads/1/3/0/7/130738946/381370.pdf
    • http://files.nicoleedwardsauthor.com/uploads/1/3/1/6/131637056/bibogagip_vobinitinaju_fejifan_soretifela.pdf
    • https://cdn.shopify.com/s/files/1/0433/0379/6894/files/wawagawulitisalefifefa.pdf
    • https://cdn.shopify.com/s/files/1/0439/4424/7451/files/makkar_reading_book_2020_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/8201/4108/files/41416807954.pdf
    • https://cdn.shopify.com/s/files/1/0429/6579/4965/files/analytical_writing_assessment_gmat_books.pdf
    • https://cdn.shopify.com/s/files/1/0430/4715/7911/files/befebiselonazovulakerarez.pdf
    • https://cdn.shopify.com/s/files/1/0430/9159/1317/files/25727186457.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bizem.pdf
    • https://cdn.shopify.com/s/files/1/0433/6471/2616/files/31766038003.pdf
    • https://cdn.shopify.com/s/files/1/0428/8099/1388/files/jailbreak_os_5._1._1.pdf
    • https://cdn.shopify.com/s/files/1/0428/9367/2604/files/xegowuvosojefinosodirux.pdf
    • https://cdn.shopify.com/s/files/1/0434/0069/1862/files/22042865157.pdf
    • https://cdn.shopify.com/s/files/1/0429/3866/3079/files/39704992273.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_off000066d4.bin
202773cb2b5fb6b3164db676014006154e1782233c9acf0bab9723441d587e5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66D4 5052 bytes
font_01_sfnt_off0000781c.bin
addb4a60f1c944ff21ece526c5e2496271b932003e1cade5121ed940bf6002fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x781C 10456 bytes

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