PDF malware analysis — malicious · a67ac8184881854f

MALICIOUS

PDF

49.2 KB Created: 2020-08-01 20:47:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 51b4c847afeff2bf987ce0a11d89f96a SHA-1: a21a5806be3ec3d79010609710a9341bf9af3328 SHA-256: a67ac8184881854f2d93151c8e54205cc82bba98ea7e7efc0d23bbe661bfd2df

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, contains references to the redirector URL and a large number of other URLs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to distribute the malicious content. The presence of multiple PDF link farm heuristics further supports this. The primary attack vector appears to be social engineering through a deceptive link.

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=king+piece+code
- http://files.ministryofunderwear.co.uk/uploads/1/3/2/6/132681513/jujikewegiseli_givel.pdf
- http://files.pvphsmusicboosters.com/uploads/1/3/1/3/131381006/2488594.pdf
- http://files.megansz.com/uploads/1/3/1/4/131408170/eeab0.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/lofoki.pdf
- https://cdn.shopify.com/s/files/1/0435/2779/8943/files/resiserebevupurirem.pdf
- https://cdn.shopify.com/s/files/1/0427/5381/8790/files/92499553889.pdf
- https://cdn.shopify.com/s/files/1/0430/0177/4233/files/ferep.pdf
- https://cdn.shopify.com/s/files/1/0428/5156/5724/files/55901589676.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/rukema.pdf
- https://cdn.shopify.com/s/files/1/0430/7818/9205/files/gejaba.pdf
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/34170049571.pdf
- https://cdn.shopify.com/s/files/1/0437/1116/8663/files/42051364005.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1160/files/64864396963.pdf
- https://cdn.shopify.com/s/files/1/0436/2141/7122/files/34758574279.pdf
- https://cdn.shopify.com/s/files/1/0430/7877/9029/files/lunetugewuzurogixuxuz.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/32251794363.pdf
- https://cdn.shopify.com/s/files/1/0428/9354/1532/files/pipesuxovekufa.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_off000066a4.bin` `0977e184245ea2af24920238eaf56ae73f139456576196ee35841c899a29ffd4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66A4	9736 bytes
`font_01_sfnt_off000086d9.bin` `4ab4645556c1fc1906ca80455c6d4ac6d465ecd87ad15d7e6257146505675f46`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86D9	4696 bytes
`font_02_sfnt_off000096f7.bin` `8e6e865f696bc1ed9786062d71f827e4ef53aa401c0345da9b7161bf01f8d4f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x96F7	9656 bytes

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