Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c01d49cd1129e2d…

MALICIOUS

PDF

44.0 KB Created: 2020-09-08 23:49:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c4e33b9fdbff00e21a938a6e7f13c42 SHA-1: c60afed422c045015b3268da559cae4cae507865 SHA-256: 9c01d49cd1129e2d1e74cc353b8d564f44766fe71bd6b5ece2c9f721f302e4c2
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to manipulate search engine results, a common tactic for SEO poisoning. The primary link, 'https://ttraff.club/pify?keyword=allison+transmission+manual+valve+body', is identified as a malicious redirector. This suggests the document's purpose is to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

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.club/pify?keyword=allison+transmission+manual+valve+body
    • https://static.usrfiles.com/ugd/b8c837_04709d29d7f440bb9faddb0415b5f13f.pdf
    • https://static.usrfiles.com/ugd/d5cf39_c87b298ccb1d4a848abab722824a5abd.pdf
    • https://static.usrfiles.com/ugd/62e2c1_fc412563d640449887e091c2ecfc42b9.pdf
    • https://static.usrfiles.com/ugd/bd5c68_6815d5fd00c148c1936c7fdc920395c2.pdf
    • https://static.usrfiles.com/ugd/b8c837_7383c48d06cb41799bd6d22c2e475cff.pdf
    • https://cdn.shopify.com/s/files/1/0429/9830/0823/files/17911027266.pdf
    • https://cdn.shopify.com/s/files/1/0430/9083/7655/files/fleuves_les_plus_longs_du_monde.pdf
    • https://static.usrfiles.com/ugd/10e3af_7b5d3721e02f4f6a8f83bd89aad2b2c0.pdf
    • https://static.usrfiles.com/ugd/65d6f7_40dbdc44d9b94998a01ab736d5b1a054.pdf
    • https://static.usrfiles.com/ugd/a8cc01_b701d0a0ba9d4e28bdd379bb69a51e47.pdf
    • https://static.usrfiles.com/ugd/79cb75_6fc8dc2aef5f41a0a5017d45b2171ab1.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_off00006003.bin
b530f20e8903dd39156d9f34ae320e20f2b4d0686ef74df68c026d43aab89cf4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6003 5260 bytes
font_01_sfnt_off000071d5.bin
4f190d41104d56f945dea0e315e591dcf785b7d9067ec617727b44b6618c3ab7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71D5 15364 bytes

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