Malicious PDF — malware analysis report

Static analysis result for SHA-256 bee96dbc69642352…

MALICIOUS

PDF

41.5 KB Created: 2020-08-17 16:00:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92bce1cb889c4a7cb01b80a574b29224 SHA-1: ca6d47ff707257268550d6c124042846a59cad4e SHA-256: bee96dbc696423528e475999e21e3c78ad7ee389ec38dc93313636f206d29784
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=beds+are+burning+bass+sheet'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which point to Shopify domains hosting PDF files. The document body, though heavily obfuscated, contains the same malicious URL. The primary attack vector appears to be social engineering via a deceptive link within the document.

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=beds+are+burning+bass+sheet
    • http://files.cowcrate.com/uploads/1/3/1/4/131483281/cd2d181ee1e087.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7870/files/88785051600.pdf
    • https://cdn.shopify.com/s/files/1/0431/6823/5682/files/misarabiwubepajudilidewa.pdf
    • https://cdn.shopify.com/s/files/1/0431/6132/1634/files/mejafazir.pdf
    • https://cdn.shopify.com/s/files/1/0435/4605/0728/files/tazewilexonuwer.pdf
    • https://cdn.shopify.com/s/files/1/0437/5907/5477/files/97829997304.pdf
    • https://cdn.shopify.com/s/files/1/0431/7184/0161/files/bankers_adda_gk_power_capsule.pdf
    • https://cdn.shopify.com/s/files/1/0447/9719/8487/files/assemblies_of_god_four_cardinal_doctrines.pdf
    • https://cdn.shopify.com/s/files/1/0430/5502/2234/files/turnaround_time.pdf
    • https://cdn.shopify.com/s/files/1/0433/9941/3921/files/92860717374.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8864/files/bhole_baba_ka_new_song.pdf
    • https://cdn.shopify.com/s/files/1/0430/6472/1562/files/nibenobedozare.pdf
    • https://cdn.shopify.com/s/files/1/0434/8549/5453/files/ninja_turtle_cake_at_walmart.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_off000063bb.bin
6ba31264ecb9811f7b92de670eda70dee66a8c30d84285ae3e9644d389b10b6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63BB 5244 bytes
font_01_sfnt_off00007582.bin
fe6ae4fa86eea6574e76586a9b4c06c7f427f70988cbc32ff4b79ff1e5de76b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7582 10556 bytes

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