Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e73479c334e8686…

MALICIOUS

PDF

41.5 KB Created: 2020-09-03 07:50:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c451271bae2396c0d58934ff9bde190 SHA-1: 953395cd58da0c72dfa549300b3add53c051e534 SHA-256: 8e73479c334e86862849ededb0cac38a0447ea103dff477bb4c48389e2ff5341
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain. This suggests a lure to a malicious site, likely for phishing or malware delivery. The presence of a link farm heuristic further indicates a malicious intent to distribute links. The document body contains garbled text but includes the target URL, reinforcing the attack pattern.

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/wix?keyword=name+card+template+free++ai
    • https://cdn.shopify.com/s/files/1/0433/9384/3358/files/fodus.pdf
    • https://cdn.shopify.com/s/files/1/0437/2388/2664/files/tonememamuzopuraji.pdf
    • https://cdn.shopify.com/s/files/1/0431/6259/9585/files/pigilobejujufelogowiji.pdf
    • https://cdn.shopify.com/s/files/1/0430/9535/9637/files/reported_speech_questions_exercises_online.pdf
    • https://cdn.shopify.com/s/files/1/0465/1361/9094/files/jurnal_arbitrase.pdf
    • https://cdn.shopify.com/s/files/1/0435/4870/4920/files/69307867439.pdf
    • https://static.usrfiles.com/ugd/52b593_613935d642bb44d8ba90ca9c62d328c1.pdf
    • https://static.usrfiles.com/ugd/df4650_b6354da3d2794fd09f9746e4a6742e23.pdf
    • https://static.usrfiles.com/ugd/b8c837_97576efa759d4dea8604a39c453731cc.pdf
    • https://cdn.shopify.com/s/files/1/0437/8614/1847/files/jemuwosipujefijexonewereg.pdf
    • https://cdn.shopify.com/s/files/1/0437/0766/2490/files/5305903756.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_off000065d6.bin
e3a56ef7217bbeffa450dca190d185823c8bb48fee7388247437b5b012521e37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65D6 5092 bytes
font_01_sfnt_off00007719.bin
f705067f2c27237608bb223d35dca8b4078c68697e0a194493fabfe952332e96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7719 10016 bytes

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