Malicious PDF — malware analysis report

Static analysis result for SHA-256 209b2f346c4ba907…

MALICIOUS

PDF

52.3 KB Created: 2020-08-11 23:21:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e2b49b848b16c88b0d821c75ad8502e SHA-1: 06d00c1ac882f7532fe846ee1c765713f1bdebde SHA-256: 209b2f346c4ba907e335ee8e671e381bb7df37640fa973e8436633cd02a721b6
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=phones+and+allophones+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are to benign Shopify domains but some are to unknown domains. The document body, though heavily obfuscated, contains the malicious URL and other URLs, suggesting an attempt to lure the user to external 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=phones+and+allophones+pdf
    • http://files.lifesafetysolution.com/uploads/1/3/0/8/130813692/daxitirim_rijunulawiwuz.pdf
    • http://kolidekoz.barryshlachter.net/uploads/1/3/1/4/131407227/2153812a589.pdf
    • http://files.virginiarlca.org/uploads/1/3/1/4/131406977/xikunenusodakaj.pdf
    • https://cdn.shopify.com/s/files/1/0427/4959/1718/files/new_hampshire_abbreviation.pdf
    • https://cdn.shopify.com/s/files/1/0431/1587/2423/files/lixapopimesope.pdf
    • https://cdn.shopify.com/s/files/1/0430/0950/7487/files/22276261730.pdf
    • https://cdn.shopify.com/s/files/1/0440/3727/5813/files/xuvujogebabe.pdf
    • https://cdn.shopify.com/s/files/1/0427/8039/3639/files/kenmore_oasis_dryer.pdf
    • https://cdn.shopify.com/s/files/1/0430/3575/4650/files/30378915861.pdf
    • https://cdn.shopify.com/s/files/1/0434/1484/7655/files/84672093104.pdf
    • https://cdn.shopify.com/s/files/1/0429/2621/1238/files/matenenatavufagetarexumu.pdf
    • https://cdn.shopify.com/s/files/1/0436/7345/2697/files/33293900111.pdf
    • https://cdn.shopify.com/s/files/1/0429/9754/7157/files/37369924961.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_off00008411.bin
1d2d5f34e7f70d1008ab568c350763c82923833b9d5c76ce7f23e4a30a55082a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8411 5032 bytes
font_01_sfnt_off0000952d.bin
98fd016b0de0ff18d2e34983ee0297b9baf4d4b8f8527875683e70c9b90ad82b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x952D 14528 bytes

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