Malicious PDF — malware analysis report

Static analysis result for SHA-256 89e1d208b7f108c5…

MALICIOUS

PDF

42.0 KB Created: 2020-08-18 19:59:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d810028f241d21f59639bc8a94eff12 SHA-1: 3b83d29ff3897982beeb4e36393a77f6335c2df1 SHA-256: 89e1d208b7f108c5961706afbb6c805b496272dc9f93bbf67644c412cbd769c5
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=new+bhojpuri+video+song+hd++free'. The document body, though heavily corrupted, also contains this URL and numerous other links, many hosted on shopify.com, suggesting a link farm or redirection attempt. The primary intent appears to be luring the user to the ttraff.com domain.

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.com/pify?keyword=new+bhojpuri+video+song+hd++free
    • http://files.bradfordvdub.org/uploads/1/3/1/8/131857270/2657355.pdf
    • http://files.voiceofgreg.com/uploads/1/3/2/7/132710491/5612914.pdf
    • http://files.theflourishsisterhood.com/uploads/1/3/1/3/131398156/95d18288fa830.pdf
    • http://files.eljardinometepe.com/uploads/1/3/0/7/130776046/9568653.pdf
    • https://cdn.shopify.com/s/files/1/0432/4261/9035/files/xununudivaxosada.pdf
    • https://cdn.shopify.com/s/files/1/0427/8140/9436/files/98745768226.pdf
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/brave_browser_64_bit_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/2942/2499/files/54729144079.pdf
    • https://cdn.shopify.com/s/files/1/0436/1460/1378/files/6285210614.pdf
    • https://cdn.shopify.com/s/files/1/0428/1958/4166/files/kimizagofawusevumuk.pdf
    • https://cdn.shopify.com/s/files/1/0432/9553/9368/files/80027625969.pdf
    • https://cdn.shopify.com/s/files/1/0431/3156/8290/files/91151123900.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.pdf
    • https://cdn.shopify.com/s/files/1/0438/9008/1960/files/agrobacterium_tumefaciens_transgnse.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_off00005354.bin
43eb2841c4a0b05ce9f6760116facbc277bfdea311a1e8d793acf5818ab2b75a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5354 5396 bytes
font_01_sfnt_off000065c7.bin
a199632cb38be361899d763d648ab1a23535500d9003914457c0a70c550c6292		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C7 9344 bytes
font_02_sfnt_off000085fa.bin
b67b599260caf42d66237cd43804fcaa9b764332bf5d9bdf47f8f62a2aabaec9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85FA 5924 bytes

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