Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7b0a7d756d59d3f…

MALICIOUS

PDF

33.7 KB Created: 2020-08-24 02:28:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f5694ee92877f0ec844ab495844ec19 SHA-1: ea04e7c78cefcd7f9c1d0a75e6050268fdb1a5f7 SHA-256: e7b0a7d756d59d3faff7aa487d7b7453fe8f6d9218e3f31141d84aea83b7537f
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=angry+love+status+video'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, many hosted on shopify.com. The document body is heavily obfuscated but contains the same redirector URL, suggesting the primary purpose is to lure users to external, potentially malicious, content.

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=angry+love+status+video
    • http://files.metrotransportgroup.com/uploads/1/3/2/7/132740552/wepotasu.pdf
    • http://ponage.blackwoodratterriers.com/uploads/1/3/0/7/130739922/jadow.pdf
    • http://files.ms-kyles-kids.com/uploads/1/3/1/4/131437418/sanetivavabefuf-fogazawe-detox-mukazovulevosop.pdf
    • http://files.tommieshelby.com/uploads/1/3/2/8/132815004/wulovug_nigoke_nexiwadewe_tanezije.pdf
    • http://files.tomjohnsongolf.com/uploads/1/3/1/0/131069860/medubikibidedabajoje.pdf
    • https://cdn.shopify.com/s/files/1/0429/8801/1673/files/54034953041.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31688109027.pdf
    • https://cdn.shopify.com/s/files/1/0435/4313/4362/files/pomines.pdf
    • https://cdn.shopify.com/s/files/1/0438/9493/1624/files/functions_of_human_body_organs.pdf
    • https://cdn.shopify.com/s/files/1/0433/8850/2174/files/73248682415.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5558/files/31208079423.pdf
    • https://cdn.shopify.com/s/files/1/0434/7133/9686/files/hdfc_life_insurance_plans.pdf
    • https://cdn.shopify.com/s/files/1/0431/6125/6091/files/kelavepifelu.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/49716272906.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_off0000470b.bin
398e8dd13acff08ac53a3ff94b1c012a55cb101ba77b9beacaccfb63477d59c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x470B 5144 bytes
font_01_sfnt_off000058a1.bin
aad462ec27a05efaa51fa3ff3293459b0aa543fa81f14815e927fd5570c3ea6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58A1 9912 bytes

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