Malicious PDF — malware analysis report

Static analysis result for SHA-256 fde34cb42c51970f…

MALICIOUS

PDF

38.2 KB Created: 2020-09-06 10:48:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 746820b82f70d52c4e9e698340e0be76 SHA-1: 5bdef3752e97ffb8bd676040f2e3dbc57458faa7 SHA-256: fde34cb42c51970f8987a632f8258d833cfacfadee6d6e94e02c5b3724f05919
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, suggests a lure related to 'brand identity guidelines'. The presence of numerous other links, as noted by PDF_SEO_LINK_FARM, further indicates a malicious intent to drive traffic to potentially harmful sites.

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.me/wix?keyword=brand+identity+guidelines+en+francais
    • https://static.usrfiles.com/ugd/5360f8_9216244fac674f7999c1f288be4ff593.pdf
    • https://static.usrfiles.com/ugd/ce14f3_3f93ca60dff44904a0608f581ca54ff4.pdf
    • https://static.usrfiles.com/ugd/a838c0_0cc2a6c7b7884a418d6032be14a434c2.pdf
    • https://static.usrfiles.com/ugd/23924c_16ea7016917c4c8ba6733ffec27f7b2a.pdf
    • https://static.usrfiles.com/ugd/5af86b_837410a9cacc45c5a2fbdd5b6be69cb9.pdf
    • https://cdn.shopify.com/s/files/1/0431/2511/2988/files/1077563483.pdf
    • https://cdn.shopify.com/s/files/1/0437/1762/3957/files/sazatuxojupodefo.pdf
    • https://cdn.shopify.com/s/files/1/0465/3980/0734/files/15180256750.pdf
    • https://cdn.shopify.com/s/files/1/0437/0799/0169/files/99465976481.pdf
    • https://cdn.shopify.com/s/files/1/0427/9851/4343/files/sparc_mac_net_worth.pdf
    • https://static.usrfiles.com/ugd/5bf82b_ebd9d246edaa4ac1bb44926574e1c811.pdf
    • https://static.usrfiles.com/ugd/510691_d8b82653e65b49f6aa4afa311227889b.pdf
    • https://static.usrfiles.com/ugd/10e3af_f85d2527cad348c3aee7f334c9e979d6.pdf
    • https://static.usrfiles.com/ugd/1e4819_7570296c414346629434ad591137159b.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_off00005891.bin
d908fe8c492036564ef6e73766e69b4b5b165dfd586f4853a0d1720f4c7dbf01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5891 5340 bytes
font_01_sfnt_off00006ad9.bin
0ce545b0f98854f7abf727396672b09fa6bad154d76046b9d8ff2deedb41d5f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD9 9808 bytes

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