PDF malware analysis — malicious · 2b6ed3d9078db69e

MALICIOUS

PDF

44.3 KB Created: 2020-08-14 11:34:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bbaf3ffafbb00d9d9196517cf1d6dd1f SHA-1: 2ceb50ccab5aa1e8f5b6585250472fb5a07edc61 SHA-256: 2b6ed3d9078db69e6b8ee55b27f5eb594652779e0ae80ae763935ffed7ab2483

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as an 'operations manual outline'. This link points to ttraff.com, which is flagged as a malicious redirector. The document also exhibits characteristics of a link farm, with numerous embedded links, many of which point to Shopify domains, likely to obscure the malicious destination. The ML classifier strongly indicates maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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/wb?keyword=operations%20manual%20outline
- http://files.wabashcotobaccofree.net/uploads/1/3/0/8/130814052/3b5ee899b.pdf
- http://files.relationshipsllc.org/uploads/1/3/1/3/131398184/4171462.pdf
- http://files.tastethe4thsense.com/uploads/1/3/1/6/131606169/jabelowuxoxu_jiwidu.pdf
- http://files.umnagricast.com/uploads/1/3/1/4/131482915/2853725.pdf
- https://cdn.shopify.com/s/files/1/0433/9453/1493/files/kotixeb.pdf
- https://cdn.shopify.com/s/files/1/0431/6191/1460/files/89051944773.pdf
- https://cdn.shopify.com/s/files/1/0431/6741/6488/files/nural.pdf
- https://cdn.shopify.com/s/files/1/0439/1682/0648/files/finite_mathematics_and_its_applications.pdf
- https://cdn.shopify.com/s/files/1/0430/1075/2663/files/82790952786.pdf
- https://cdn.shopify.com/s/files/1/0428/5690/6918/files/46332477319.pdf
- https://cdn.shopify.com/s/files/1/0429/0111/0940/files/metawixaxabewufoziwipavaw.pdf
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/upsc_sample_answer_sheet.pdf
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/beperafo.pdf
- https://cdn.shopify.com/s/files/1/0431/5942/1092/files/23688219593.pdf
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/75522544751.pdf
- https://cdn.shopify.com/s/files/1/0430/4365/1741/files/97220030402.pdf
- https://cdn.shopify.com/s/files/1/0427/9212/4572/files/transportadores_de_cangilones.pdf
- https://cdn.shopify.com/s/files/1/0430/8949/4177/files/94974125418.pdf
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/14525816484.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000070a1.bin` `d1990a62949f2cb3f34c29d451217d2b978cb7d213b1477867718a745be0373d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70A1	4992 bytes
`font_01_sfnt_off00008179.bin` `e2fdafd1394916b3abd8588c5a3d1cf2e2d6a197426f2d4ee886a56c83836c8a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8179	10196 bytes

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