Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7e3e1dcfbd3477c…

MALICIOUS

PDF

88.4 KB Created: 2020-09-08 02:32:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01e0b8114968a5705d04b34264cb8ee2 SHA-1: aaf30ac2fd656d334bd1f18c00b5e3b49c19e8b2 SHA-256: d7e3e1dcfbd3477c9e5af0d97797d8a2d6ce92fd51987a7eea1e1be6db077443
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a malicious redirector link pointing to 'https://ttraff.club/wix?keyword=intime+timesheets+interquest'. Additionally, it features a large number of embedded links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to distribute further payloads. The presence of a callback phishing lure indicates an attempt to engage the user directly for fraudulent purposes.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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/wix?keyword=intime+timesheets+interquest
    • https://cdn.shopify.com/s/files/1/0437/1221/7241/files/27319448505.pdf
    • https://cdn.shopify.com/s/files/1/0462/7126/6973/files/51381628214.pdf
    • https://cdn.shopify.com/s/files/1/0437/7742/5565/files/rezazu.pdf
    • https://static.usrfiles.com/ugd/ca9b0a_50652e9bde434618b15b21ea4fd3ace7.pdf
    • https://cdn.shopify.com/s/files/1/0430/7917/2257/files/bharater_arthaniti.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2661/files/p90x3_lean_schedule.pdf
    • https://cdn.shopify.com/s/files/1/0438/3899/6642/files/93014870566.pdf
    • https://cdn.shopify.com/s/files/1/0435/3402/4855/files/nuwasosijofuv.pdf
    • https://cdn.shopify.com/s/files/1/0435/7573/8527/files/48350832924.pdf
    • https://cdn.shopify.com/s/files/1/0446/9224/2588/files/nobomupemojibejurevi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011263.bin
44f67cf0ca60842d1a849fd3615bf918bc4f9d96b4256861d698d8a587ebbe0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11263 4516 bytes
font_01_sfnt_off0001217b.bin
e64b4d6d1b90c5b6ce5b9bd439296d07d890e45aa3ad2281fd27051091cb553f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1217B 10960 bytes
font_02_sfnt_off000146ac.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x146AC 4324 bytes

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