Malicious PDF — malware analysis report

Static analysis result for SHA-256 e82cc7947f9e9b9f…

MALICIOUS

PDF

38.3 KB Created: 2020-08-17 01:58:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86f1de2101470e2bd08545fd82f144af SHA-1: 06b2dfa6bfcc972c4f6940b25cdbeb82df07ac95 SHA-256: e82cc7947f9e9b9f3a7abd75c5a9b6c72687474a1bc68e62b48389c9e62ceba7
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the malicious redirector URL and several benign-looking Shopify URLs, suggesting a link farm or SEO poisoning tactic. The primary intent appears to be redirecting users to malicious infrastructure via the ttraff.cc 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.cc/pify?keyword=freaks+timmy+trumpet+sheet+music+trombone
    • http://files.lukeandrowan.com/uploads/1/3/2/6/132681836/1f1f60c022100.pdf
    • http://files.casamia-berneny.com/uploads/1/3/1/4/131438439/239283.pdf
    • http://nuzaxexa.thetinyjungle.com/uploads/1/3/2/6/132682883/wavasul.pdf
    • http://files.millbrookrotarydirectory.com/uploads/1/3/0/7/130775846/d99ea.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/5993/files/autodesk_inventor_2020_3d.pdf
    • https://cdn.shopify.com/s/files/1/0438/9571/8040/files/kigobazobuvanupobazusixuw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/binoluso.pdf
    • https://cdn.shopify.com/s/files/1/0437/5255/4657/files/98256197293.pdf
    • https://cdn.shopify.com/s/files/1/0430/9958/6714/files/blade_runner_imdb_parents_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/xomimojijufazofux.pdf
    • https://cdn.shopify.com/s/files/1/0430/9427/8293/files/22023492636.pdf
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/catalogue_ph_kin_hafele.pdf
    • https://cdn.shopify.com/s/files/1/0430/4352/0666/files/voposugibu.pdf
    • https://cdn.shopify.com/s/files/1/0429/5213/0716/files/65384656863.pdf
    • https://cdn.shopify.com/s/files/1/0436/5749/4693/files/nedalitodame.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_off00004b7a.bin
8a6c9b73dbe1699c60c3918ba0c63d3c241723f9c87f9b83a163ba4de5a31023		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B7A 5284 bytes
font_01_sfnt_off00005d4e.bin
2a10c3908508a2ab94daa1d683e3eed91a61252ff6653595fc4147cbfdbe8245		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4E 9484 bytes
font_02_sfnt_off00007dc6.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DC6 4324 bytes

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