PDF malware analysis — malicious · 08ef60b805dde131

MALICIOUS

PDF

45.7 KB Authoring application: Pdftk

MD5: 4e216a654ea05e0185700cbb0ddca341 SHA-1: bd2d2d44344c4dcc1c800fc7a8b2fa396c56aa14 SHA-256: 08ef60b805dde1317d89c2e2c4ce5a0ca03f006f7fd870a4bc6abba4406212d8

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics, including a critical finding for a large external link farm and a ClamAV detection for phishing. The embedded URLs, totaling 23, are likely part of a SEO poisoning or phishing campaign designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://hostmaster.welshmountainwalks.co.uk/uploads/1/3/0/3/130313324/xamil.pdf
- http://a6h.com/uploads/1/3/0/6/130639407/mulekulod.pdf
- http://mckenzieriverartcom.com/uploads/1/3/0/5/130545421/9642920.pdf
- http://aprilnoska.com/uploads/1/3/0/8/130814065/ribomovefalopufoba.pdf
- http://nahdalkhadra.com/uploads/1/3/0/6/130605475/tokunufewepenekuz.pdf
- http://lol-wels.org/uploads/1/3/0/5/130540928/pubifogajiwotel.pdf
- http://www.jewelry-by-lorena.com/uploads/1/3/0/4/130488227/worudig.pdf
- http://thevegofreason.com/uploads/1/3/0/6/130640111/9de05e49.pdf
- http://drjoeberg.com/uploads/1/3/0/2/130287242/pavilewodobufukemad.pdf
- http://getdirtygirl.com/uploads/1/3/0/2/130272421/rumerewebabumaj.pdf
- http://sunkisseddaisyllc.com/uploads/1/3/0/6/130640119/wawaxej_kinoxu_gusibupukima_lenoj.pdf
- http://pureluxsalon.com/uploads/1/3/0/2/130287971/mopuxavopixej_vebadanubigerow.pdf
- http://my-mediamatters.tech/uploads/1/3/0/6/130621916/9520498.pdf
- http://mvsbusinesssolutions.com/uploads/1/3/0/4/130436261/benolefol.pdf
- http://webdisk.collinsautoperf.madesimplydev.com/uploads/1/3/0/4/130488920/voporofuloku-zijipoze-xavirubudevinuz.pdf
- http://lampeelife.com/uploads/1/3/0/4/130483697/vekutomisixev.pdf
- http://cantortradegroup.com/uploads/1/3/0/4/130483844/8770719.pdf
- http://elvination.com/uploads/1/3/0/6/130604434/9021131.pdf
- http://www.healtheactive.com/uploads/1/3/0/3/130323422/buvetolavumenuko.pdf
- http://natationlaval.com/uploads/1/3/0/3/130324248/9643027.pdf
- http://gowickedkettlecorn.com/uploads/1/3/0/4/130476432/boxewubokix-tewabe-dafigirakoto-sukamewex.pdf
- http://abudhabi.support/uploads/1/3/0/6/130639535/7190088.pdf
- http://my-consequences.com/uploads/1/3/0/5/130588703/6750970.pdf
- http://0tyki.bpmtc.com/uploads/1/3/0/5/130588775/130588775.html#hey+soul+sister+chords+for+guitar
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000423e.bin` `e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x423E	2652 bytes
`font_01_sfnt_off00004e50.bin` `9e2d1c235adf9407c764cdb72265e515bf948d2c34627a47498315d535b02a0d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E50	8436 bytes

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