Malicious PDF — malware analysis report

Static analysis result for SHA-256 9117411620e91a33…

MALICIOUS

PDF

38.3 KB Created: 2020-08-27 23:37:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 427edeed893fa0e71f185cc8e841694e SHA-1: 0def4848f0a3c4ed7d9389ca3f84cd500c504a0e SHA-256: 9117411620e91a33722e86798ddbdba2f82b66cfe73705d9588c02c6752bd596
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. The primary URL, 'https://ttraff.club/pify?keyword=2008+dodge+ram+1500+repair+manual', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to a '2008 dodge ram 1500 repair manual', suggesting a lure to entice users to click the malicious link. No scripts were extracted, but the PDF structure itself is used for malicious redirection.

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/pify?keyword=2008+dodge+ram+1500+repair+manual
    • http://files.cinderscapesorl.com/uploads/1/3/1/6/131637257/werikisigaluvi-sibiwi.pdf
    • http://kemaj.nesshistory.org/uploads/1/3/0/8/130874001/6072401.pdf
    • http://files.kaycorcoran.com/uploads/1/3/0/7/130776655/bavexoliwekow.pdf
    • http://files.collmanphotography.com/uploads/1/3/1/4/131407183/232add2abfd9.pdf
    • http://files.gabeeyrich.com/uploads/1/3/1/4/131438557/5229208.pdf
    • https://cdn.shopify.com/s/files/1/0438/0629/4178/files/ram_vs_hard_drive.pdf
    • https://cdn.shopify.com/s/files/1/0464/5968/2984/files/arya_2_songs_telugu_lo_naa.pdf
    • https://cdn.shopify.com/s/files/1/0431/9405/6861/files/dnd_5e_improvised_weapon.pdf
    • https://cdn.shopify.com/s/files/1/0431/0925/3282/files/20064912546.pdf
    • https://cdn.shopify.com/s/files/1/0429/1336/6182/files/pomefekisexe.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kenawuvotijogajutimev.pdf
    • https://cdn.shopify.com/s/files/1/0440/8272/5029/files/36779277076.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_off00005777.bin
93bf4dc85f4f790cb98f1607c3413d7f73fbfe8d3ebfb7f860e3cec088c441c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5777 5648 bytes
font_01_sfnt_off00006a8a.bin
dc7f920c066fc107d5480f1d6db4cc18e9b0bb8df70539bce5463cfb00932154		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A8A 9928 bytes

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