Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ea2d90ecfc2ab6e…

MALICIOUS

PDF

41.3 KB Created: 2020-08-27 15:52:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6aa3d9dd96a895d68a50a0c620925e34 SHA-1: c33c55785f53054f43f8b95cfd7fc3758183ef7d SHA-256: 7ea2d90ecfc2ab6ecdc3a580989261eb1daa148ec571c09de950f88b2e8f8625
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, directing to 'https://ttraff.me/pify?keyword=mexican+funeral+traditions'. Additionally, it exhibits a PDF link farm behavior, embedding numerous links to other PDF documents, likely to obscure the malicious destination. The document body, though partially corrupted, contains references to the malicious URL and other benign-looking PDF links, suggesting a social engineering lure. No scripts were extracted from this sample.

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/pify?keyword=mexican+funeral+traditions
    • http://files.rushizle.com/uploads/1/3/1/3/131384663/1747408.pdf
    • http://files.tajpalacelouisville.com/uploads/1/3/0/9/130969565/gexutexisuwef.pdf
    • http://maluxax.repconw.com/uploads/1/3/0/7/130739297/fexufudewob.pdf
    • http://files.egypttourstravel.online/uploads/1/3/0/8/130814124/3644613.pdf
    • https://cdn.shopify.com/s/files/1/0430/7124/2389/files/40317157397.pdf
    • https://cdn.shopify.com/s/files/1/0463/5607/0561/files/tidemuboxexoziz.pdf
    • https://cdn.shopify.com/s/files/1/0430/7307/7409/files/88993499357.pdf
    • https://cdn.shopify.com/s/files/1/0439/0728/5147/files/adobe_editor_online_purchase.pdf
    • https://cdn.shopify.com/s/files/1/0431/6410/6908/files/biosurfactants_production.pdf
    • https://cdn.shopify.com/s/files/1/0428/6336/2204/files/50198070938.pdf
    • https://cdn.shopify.com/s/files/1/0461/7489/6291/files/herbert_goldstein_classical_mechanics.pdf
    • https://cdn.shopify.com/s/files/1/0434/0622/9654/files/thomas_finney_calculus.pdf
    • https://cdn.shopify.com/s/files/1/0437/0736/7592/files/homelite_330_chainsaw_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/boborilejizofilogeziketo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1034/2559/files/rajudo.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_off00006478.bin
9d0129d13e96f2f58ab70f0429027a45256ed1b6ea76dd35da2a1272152faca1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6478 5088 bytes
font_01_sfnt_off000075d1.bin
757f010f03d3e8513cdb1afe68f3340bc43cdc54d554f86792cca03cf7beb0ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D1 10244 bytes

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