PDF malware analysis — malicious · 7cf2ec1a7a6d3e60

MALICIOUS

PDF

98.3 KB Authoring application: Mobipocket Creator

MD5: 36d570d476c39d25f57f14b688208414 SHA-1: 743d5495c3ade5707fab80e715123c63c4dfcd44 SHA-256: 7cf2ec1a7a6d3e60bad79fa800eb6e05d7fe08e957dd99c55f45f4ed2ca36c2a

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external links, suggesting a link farm or redirection mechanism. The ML classifier and ClamAV detection confirm the malicious nature of the file. The embedded URLs are likely used to direct users to malicious content or further stages of an attack. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 0.9955

Heuristics 3

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.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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 http://nu9empire.com/uploads/1/3/0/5/130546118/30df49.pdf
- http://brianabrahamactor.com/uploads/1/3/0/4/130488812/3398044.pdf
- http://moodage.net/uploads/1/3/0/2/130289577/vadur.pdf
- http://mymoneyways.com/uploads/1/3/0/8/130813557/zirojivuzaroxex.pdf
- http://watlingst.com/uploads/1/3/0/4/130483239/4120346.pdf
- http://webmail.cantatrice.ca/uploads/1/3/0/3/130324241/jikijusetuvepiv.pdf
- http://oscarsterte.com/uploads/1/3/0/4/130493476/72e90270abbe97.pdf
- http://harperharred.com/uploads/1/3/0/6/130639348/4707b75cd0c95c.pdf
- http://divinelove.ca/uploads/1/3/0/6/130640164/rafekovajisek_gomakidigov_vurasiguwo.pdf
- http://www.janetgay-counselling.uk/uploads/1/3/0/7/130740213/vefavanilikez.pdf
- http://www.piute-high-school.com/uploads/1/3/0/5/130589198/351112.pdf
- http://purplestore.net/uploads/1/3/0/6/130621610/79abd07a78f.pdf
- http://www.lawsexfineliterature.com/uploads/1/3/0/4/130489131/4474337.pdf
- http://host3.carmichaelnl.com/uploads/1/3/0/4/130483852/130483852.html#east+facing+house+vastu+tips+in+tamil
- http://oscarsterte.com/uploads/1/3/0

Extracted artifacts 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000026a7.bin` `d3dee83c98689bebaa190301cb375cd3bcb243d100f21e897253f9bb85c9398e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x26A7	9164 bytes
`font_01_sfnt_off0000e627.bin` `f2b284127ac0aaaab410adaa023c48540a05f5b9ab6e38c40ba88021377eadf5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE627	4556 bytes
`font_02_sfnt_off0000f56b.bin` `7c203bf3f048399bd0bfcc2b6b9ad0f43ee48e73dfdb55a8ce32a3df1aa4ec1d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF56B	4772 bytes
`font_03_sfnt_off0001044f.bin` `5234743bdcbacc7b5fb5ba8b37fc4a52523753677715d366b5c16a5aa9a80f4a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1044F	17000 bytes
`font_04_sfnt_off00011c2b.bin` `ea3dc1d1c6b158f51805120729441ddc4412905df9da1f241f53e5f5a0cbb6e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11C2B	1844 bytes
`font_05_sfnt_off0001252f.bin` `f636ae314f95f4f1b04f06cfa8c0ce088a2f4d626de80eac625906acce678eb3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1252F	7712 bytes
`font_06_sfnt_off0001397d.bin` `cfec225636dbb7c7f198cd8d10dab75ff2cfe5e452a7a3c0e2e95b6ee1197075`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1397D	8892 bytes

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