Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7630a810d1f79aa…

MALICIOUS

PDF

55.1 KB Created: 2020-09-14 18:51:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a341dda4b43d6af096793135290a5e3c SHA-1: f8c411fd05ad4baf4a6d6e3387df9201b7d11098 SHA-256: d7630a810d1f79aa9eae2fb51afe02514998284ee317d7c09e0732301193a8d5
140 Risk Score

Malware Insights

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

The PDF file contains a lure related to a Cuisinart manual, which is a common tactic for phishing or scam campaigns. It hosts a malicious redirector link to 'ttraff.club' and a large number of links to other PDFs, likely for SEO manipulation or to obscure malicious intent. The presence of a callback lure further suggests a phishing or tech-support scam context.

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/pify?keyword=cuisinart+dcc-1150bk+manual
    • http://tunuragu.apextravelogue.com/uploads/1/3/2/8/132814956/0f32dbbbc.pdf
    • https://cdn.shopify.com/s/files/1/0430/1121/1425/files/mibunulunamamenikenixepij.pdf
    • https://cdn.shopify.com/s/files/1/0431/0145/4500/files/logical_framework_of_a_project.pdf
    • https://cdn.shopify.com/s/files/1/0438/5102/2501/files/geo_tracker_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/7886/7351/files/junolime.pdf
    • https://cdn.shopify.com/s/files/1/0437/5730/6007/files/abia_state_polytechnic_form_2019.pdf
    • https://cdn.shopify.com/s/files/1/0433/9954/4984/files/bajitakiwulorejulizipib.pdf
    • https://cdn.shopify.com/s/files/1/0437/1772/2280/files/pilevonemipiramafejit.pdf
    • https://cdn.shopify.com/s/files/1/0433/7011/9333/files/17843525814.pdf
    • https://cdn.shopify.com/s/files/1/0434/1753/4629/files/viscera_cleanup_detail_tips.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_off000089f8.bin
b17ded8d14dbfacdd6bc15602d9a09e8bcef40be1fbc65e491923741734c91d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89F8 5316 bytes
font_01_sfnt_off00009bf7.bin
72ccd13bee16871491c0404f8f925daef2ff0d67ca6002d8109f63a117960667		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BF7 11308 bytes
font_02_sfnt_off0000c1e6.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC1E6 4324 bytes

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