PDF malware analysis — malicious · ae05031b425f5358

MALICIOUS

PDF

59.4 KB Created: 2020-07-28 09:53:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5ceb4f5c9a2320f129948801bedee960 SHA-1: 445417aff885b06e1d0272374e2c9f9a6195e073 SHA-256: ae05031b425f5358b53b9a30b5a76838b0e1351274668a312dcf44f649062b5f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying it as a malicious redirector. One of the primary links directs to 'ttraff.com', a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Assamese poem song' and metadata indicating it was generated by wkhtmltopdf, suggesting a lure to a malicious site. The presence of multiple Shopify URLs, while marked as benign, are part of a link farm, further indicating malicious intent.

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=assamese+poem+song
- http://files.iconiacapital.com/uploads/1/3/1/1/131163980/6592454.pdf
- http://files.blackandgraybrewing.com/uploads/1/3/2/7/132740949/88689f7c8b43.pdf
- http://files.markskicksonroute66.com/uploads/1/3/0/8/130814100/76518d30a46.pdf
- http://files.flattailpress.com/uploads/1/3/1/3/131381150/ba3554881a1.pdf
- http://files.libertytactical.solutions/uploads/1/3/1/8/131856539/c159f2ae8f7e2.pdf
- http://files.libertytactical.solu
- https://cdn.shopify.com/s/files/1/0436/9793/0393/files/80863227413.pdf
- https://cdn.shopify.com/s/files/1/0433/9679/2471/files/69362320239.pdf
- https://cdn.shopify.com/s/files/1/0427/9602/3975/files/45501997697.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/31565299957.pdf
- https://cdn.shopify.com/s/files/1/0432/2839/7728/files/xutimedopawusesofatimo.pdf
- https://cdn.shopify.com/s/files/1/0430/5872/5015/files/54668824358.pdf
- https://cdn.shopify.com/s/files/1/0433/5344/0414/files/vozile.pdf
- https://cdn.shopify.com/s/files/1/0428/0811/5366/files/lidudaxologaburika.pdf
- https://cdn.shopify.com/s/files/1/0434/3260/7894/files/sazigofewifotutinalod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tizisixurodegu.pdf
- https://cdn.shopify.com/s/files/1/0433/1703/5166/files/26335045089.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00008a99.bin` `7824b00e8f8884118df5491ad2af97a88487041edc5d233777e300944a68a569`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A99	4660 bytes
`font_01_sfnt_off00009a41.bin` `a8d9068dbe0d2b6e4218387ed7a5c6726f2106e8192f6f67815ce5e1448b2ba7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A41	7744 bytes
`font_02_sfnt_off0000b355.bin` `5ba22529273c38e41c06ce9c6f3cbbe6ce0a13dc6202260afacd7680af224e72`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB355	13900 bytes

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