Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d0c700eeecf5712…

MALICIOUS

PDF

45.3 KB Created: 2020-08-30 17:13:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40e7cad6cea5265a3a767d52f14739f1 SHA-1: ddf2c65bfce3dee391c4cbc1b40523b754b8c1f1 SHA-256: 4d0c700eeecf5712d36b40c905a2b957bd6555f2bb7d485e4d1df300c33fca8f
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The file also exhibits characteristics of a link farm, with numerous embedded links to 'static.usrfiles.com', likely intended to obscure the primary malicious destination. No scripts were extracted, and the PDF structure itself does not indicate further malicious actions beyond the 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.com/wix?keyword=orbit+b+hyve+manual
    • https://static.usrfiles.com/ugd/d01287_fc0604705f0b480ebd2458cd108bcef5.pdf
    • https://static.usrfiles.com/ugd/36f25b_cb8d0ca3dc184e4eb13ae5c5c3b16c9e.pdf
    • https://static.usrfiles.com/ugd/c5d40f_31f02883ed3a45abb7c503f71977f0a8.pdf
    • https://static.usrfiles.com/ugd/b8c837_9230c86d10a04fcba2dab7aade11405f.pdf
    • https://static.usrfiles.com/ugd/b8c837_053c0258328d466fb7a69ceb52b4bdd0.pdf
    • https://static.usrfiles.com/ugd/b8c837_90cbdfe5e4e44502bfc36b782c597e03.pdf
    • https://static.usrfiles.com/ugd/b8c837_f9a76637d0b0456eb2d7cc0d08568385.pdf
    • https://static.usrfiles.com/ugd/b8c837_df66ebdc856143889d442f2f933a17d8.pdf
    • https://static.usrfiles.com/ugd/ce5d00_7be2a51d3e0a41dea94cc279e31de2d2.pdf
    • https://static.usrfiles.com/ugd/b8c837_f98fac90fa214322abfe941517a167fb.pdf
    • https://static.usrfiles.com/ugd/eaf48f_e216edc4065e4546ba6fe60d6203094b.pdf
    • https://cdn.shopify.com/s/files/1/0436/8026/8438/files/bodowofuduko.pdf
    • https://cdn.shopify.com/s/files/1/0445/4455/7220/files/combiner_2_en_un_seul.pdf
    • https://cdn.shopify.com/s/files/1/0432/6958/7104/files/tivopim.pdf
    • https://cdn.shopify.com/s/files/1/0431/5545/6164/files/62816105492.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_off000067a7.bin
50fa7a9a6b358f6d772a511563237dac3b6ab921dd6a28297e87589942aa4e82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67A7 4848 bytes
font_01_sfnt_off000077fb.bin
d5a48abaa68f9087b27df13ec2877de2ee074054cfc078a6d2a32586f10ece9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77FB 10128 bytes
font_02_sfnt_off00009a31.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A31 4324 bytes

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