Malicious PDF — malware analysis report

Static analysis result for SHA-256 45472961af3daeb6…

MALICIOUS

PDF

64.7 KB Created: 2020-08-26 03:55:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ac4a07ab7597570c0ecd548136abe8a SHA-1: ff44f32067ce2371c6e2652a5265b884bc769c53 SHA-256: 45472961af3daeb6cdf1d3d4d4bc2f236e55f9224e5f44a80293d3bfc5a8b14b
128 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised as a recruitment agency agreement. The document also exhibits characteristics of a link farm, with numerous embedded links pointing to Shopify domains, likely for SEO manipulation or to host further malicious content. The presence of urgency lures further supports the malicious intent of tricking the user into clicking the malicious link.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=recruitment+agency+agreement+pdf
    • http://vuwasar.wendycooneylightingdesign.com/uploads/1/3/1/4/131438110/2893348.pdf
    • https://cdn.shopify.com/s/files/1/0431/0954/8188/files/pugulisilosusimenos.pdf
    • https://cdn.shopify.com/s/files/1/0431/7750/9020/files/mapifenasugavudakokatano.pdf
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/47609206621.pdf
    • https://cdn.shopify.com/s/files/1/0463/2933/1869/files/59834329687.pdf
    • https://cdn.shopify.com/s/files/1/0429/2493/3283/files/92386090639.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/machine_design.pdf
    • https://cdn.shopify.com/s/files/1/0433/3276/3801/files/audacity_2._3._1_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/5840/4245/files/coca_cola_philippines_case_study.pdf
    • https://cdn.shopify.com/s/files/1/0428/3770/4867/files/elite_coriolis.pdf
    • https://cdn.shopify.com/s/files/1/0437/3420/4568/files/23026644950.pdf
    • https://cdn.shopify.com/s/files/1/0428/7892/7011/files/93093029959.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_off0000c061.bin
de3ed858455c2b3a6f29c2152a0edd36d4f909a17fcd252dcbb75edfd7034caf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC061 5372 bytes
font_01_sfnt_off0000d2a1.bin
f68f43d8ea20c2e4d0d39cc10534fec684df856d328ccf2b4a05a5e58ceab679		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD2A1 10340 bytes

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