PDF malware analysis — malicious · 18af4e9757b0b4f5

MALICIOUS

PDF

41.3 KB Authoring application: PDFedit

MD5: 679124d42c5d66d7ecd9810cda0f8ed3 SHA-1: eef6e5152afa82b99a1618df57640282d07190d6 SHA-256: 18af4e9757b0b4f5d0513d1caaf08fe43ee8a5b209aa1df83cfb961e66255a86

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were extracted, the sheer volume of external links suggests a coordinated effort to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://mail1.whatusee.co.za/uploads/1/3/0/5/130551264/333953.pdf
- http://rebabowman.net/uploads/1/3/0/4/130491418/fitazu.pdf
- http://hidefdjs.com/uploads/1/3/0/3/130379803/5c773f.pdf
- http://namastebrown.com/uploads/1/3/0/6/130639661/modozapir.pdf
- http://unshakableyou.com/uploads/1/3/0/2/130271085/7311195.pdf
- http://www.herstatusquo.com/uploads/1/3/0/5/130543351/e208584f54.pdf
- http://diestrodecuerdas.com/uploads/1/3/0/2/130288939/35333522d.pdf
- http://absolutereductions.org/uploads/1/3/0/7/130739729/d6b0ce0670b1e14.pdf
- http://74-123-73-58.mgwnet.com/uploads/1/3/0/2/130272575/ledeligewugoxagi.pdf
- http://radtacular.net/uploads/1/3/0/5/130543154/zolomenikanozo_xebepotax_nenemukekof_lojur.pdf
- http://tekadocesgourmet.com/uploads/1/3/0/7/130776567/9628276.pdf
- http://medicalmalpracticegeorgia.com/uploads/1/3/0/7/130740217/e5d69d.pdf
- http://rejuvenationhealthcenter.net/uploads/1/3/0/2/130272616/midoxulusowu_povexuvowopu.pdf
- http://mrgroucho.com/uploads/1/3/0/2/130288661/jexiz.pdf
- http://iheartblue.org/uploads/1/3/0/6/130621306/lepopifo.pdf
- http://chickenland.net/uploads/1/3/0/2/130272577/5870148.pdf
- http://dearsilas.com/uploads/1/3/0/7/130775806/zokazevobezavep-safuwo-gifozula.pdf
- http://rentyourfbads.com/uploads/1/3/0/7/130738893/pupovaxurugi.pdf
- http://trondekyouthservices.com/uploads/1/3/0/5/130550887/wulupizujotebi_tujala.pdf
- http://lakebasinregion.org/uploads/1/3/0/6/130620628/315477d10d1d3.pdf
- http://mymorethan.com/uploads/1/3/0/4/130491253/a717be0b2e99.pdf
- http://nobleworkshumorcards.net/uploads/1/3/0/6/130605156/1271846.pdf
- http://acause2travel.org/uploads/1/3/0/3/130313150/3bc3fbc0c3a22c7.pdf
- http://musicoterapias.com/uploads/1/3/0/4/130488295/dumoxe.pdf
- http://taiyangchengjiawangbaosha.br3h.com/uploads/1/3/0/6/130640162/130640162.html#critical+path+float+and+slack+analysis

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000323d.bin` `83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x323D	1708 bytes
`font_01_sfnt_off00003d4e.bin` `46b37923b095d735c4f8e15b8b626a44c36a423916c3db2a1f7d7937d3f85951`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3D4E	8080 bytes

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