PDF malware analysis — malicious · 2d86682b388adcff

MALICIOUS

PDF

49.6 KB Created: 2020-11-11 21:55:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6bc0f094d28b25c6d71d8e9cabd3b20a SHA-1: c39d11870cc39e6ac23eadf6a9312ee6b5588a82 SHA-256: 2d86682b388adcffbe6f19a11b15a18464ea1734755c8d744dc8773def6ee36e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, a common tactic for SEO farms or phishing campaigns. The heuristic 'PDF_SEO_LINK_FARM' specifically indicates a mass of external PDF links, with 'https://monotolifevi.weebly.com/uploads/1/3/4/6/134683372/ranisowolebuzafu.pdf' being a prominent example. The ClamAV detection and ML classifier further support its malicious nature, suggesting it's a phishing or trojanized PDF.

Machine Learning

Nyx PDF Classifier malicious score 0.8667

Heuristics 4

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.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
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://traffking.ru/strik?utm_term=parametric+modeling+with+autodesk+inventor+2015+pdf
- https://monotolifevi.weebly.com/uploads/1/3/4/6/134683372/ranisowolebuzafu.pdf
- https://cdn-cms.f-static.net/uploads/4383147/normal_5f98d4dc17099.pdf
- https://cdn-cms.f-static.net/uploads/4411700/normal_5fa9c2e8748ad.pdf
- https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/c588cb3ab44.pdf
- https://cdn-cms.f-static.net/uploads/4369487/normal_5f92706646401.pdf
- https://govipilod.weebly.com/uploads/1/3/4/6/134651664/4880050.pdf
- https://cdn-cms.f-static.net/uploads/4368777/normal_5f9254a5739fc.pdf
- https://cdn-cms.f-static.net/uploads/4373797/normal_5f8afbf45d736.pdf
- https://cdn-cms.f-static.net/uploads/4371498/normal_5f957f058011b.pdf
- https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/26a162ce0.pdf
- https://cdn-cms.f-static.net/uploads/4451225/normal_5faaa8d69ff27.pdf
- https://cdn-cms.f-static.net/uploads/4366620/normal_5f8a122b83e14.pdf
- https://cdn-cms.f-static.net/uploads/4365560/normal_5f872121ae7f7.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/roriturosiw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/farowug/26199727086.pdf
- https://s3.amazonaws.com/fasanag/fazeligukimegasepuvu.pdf
- https://s3.amazonaws.com/rujabepifar/jipugimitojelevusum.pdf
- https://s3.amazonaws.com/bagisi/distillation_et_rectification.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b2d6.bin` `b253d991fa1380fc82ef4f3f9b00a68b4f1126cab2df9355d42a893587b67896`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB2D6	6236 bytes

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