PDF malware analysis — malicious · 945da33a61f044c2

MALICIOUS

PDF

47.6 KB Created: 2020-08-07 20:46:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6e4c69311b838ff23f7ec5f2a8c89797 SHA-1: a82ae3402d23c2a61627b5d71ed91a018d9bcb94 SHA-256: 945da33a61f044c258b0a8d8e0053520cfa69da0c60a0084c6016fa183f45999

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 pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one also leading to a redirector. The document body, though heavily obfuscated, contains the target URL, suggesting a lure for users interested in Tamil e-newspapers.

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=tamil+e+newspaper+pdf
- http://files.mequhi.com/uploads/1/3/0/8/130814390/nisudaleda-sujebabi-razafudef-pigigutirapal.pdf
- http://files.midwalestourismawards.co.uk/uploads/1/3/2/3/132302995/06a6a3d6f5.pdf
- http://files.skfinancieel.nl/uploads/1/3/1/4/131453316/8726459.pdf
- http://files.edsthroat.com/uploads/1/3/1/8/131856539/38522201883.pdf
- http://files.lakestclairwaterfestival.org/uploads/1/3/2/7/132712514/2c0e1d7c1.pdf
- https://cdn.shopify.com/s/files/1/0432/6899/7283/files/letutemivorur.pdf
- https://cdn.shopify.com/s/files/1/0430/5630/0186/files/neworusupapevusoxuzogoxik.pdf
- https://cdn.shopify.com/s/files/1/0448/0283/4594/files/story_of_my_life_helen_keller_book.pdf
- https://cdn.shopify.com/s/files/1/0428/8335/0687/files/causes_of_indoor_air_pollution.pdf
- https://cdn.shopify.com/s/files/1/0429/6117/4687/files/paronizezid.pdf
- https://cdn.shopify.com/s/files/1/0436/5362/8062/files/32730463088.pdf
- https://cdn.shopify.com/s/files/1/0432/5985/5012/files/35942415563.pdf
- https://cdn.shopify.com/s/files/1/0434/6055/9013/files/acidos_organicos_en_alimentos.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/perelar.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004fe9.bin` `a1285a78d8f76169b9591c72a73c54300b53564ada2695a2e9f2a4db39fb993d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4FE9	5228 bytes
`font_01_sfnt_off000061a8.bin` `21a16d7b96295d05051a0386cd6c63bae4be52b8b13e843a5baef0442a70f4ad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61A8	7616 bytes
`font_02_sfnt_off00007836.bin` `574d4587f87cf2a94ffd1c0b7c57e6f21f5b1eae9673abe64c39243d815225c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7836	10416 bytes
`font_03_sfnt_off00009c18.bin` `c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C18	16164 bytes

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