PDF malware analysis — malicious · d4f452847f2c1c49

MALICIOUS

PDF

138.7 KB Authoring application: Nitro PDF

MD5: c7f4272c909a9fe1a6c0ce25eda80314 SHA-1: 0642b4902171678b226fa0e327a5d43e6444c0f3 SHA-256: d4f452847f2c1c498578aa7e27a2b27cb19ddda11e54af66c679941158b5034d

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body itself contains garbled text and some URLs, reinforcing the link farm heuristic.

Machine Learning

Nyx PDF Classifier malicious score 0.9984

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://panicstudios.net/uploads/1/3/0/6/130603809/mogatu.pdf
- http://www.cashxofficial.com/uploads/1/3/0/7/130739086/sirodigiwulikodug.pdf
- http://attorneygarvey.com/uploads/1/3/0/5/130543511/1ea5fdf140a1f.pdf
- http://mail.wapisfortheworld.com/uploads/1/3/0/7/130775292/kovagop.pdf
- http://mrmcgintysmonarchs.com/uploads/1/3/0/4/130489297/428664.pdf
- http://www.crabtreeconstructionandhauling.com/uploads/1/3/0/6/130621205/zekewi.pdf
- http://moxiemerchdesign.com/uploads/1/3/0/6/130639476/b29d3bd93c6.pdf
- http://cantabiletravel.com/uploads/1/3/0/4/130483479/fagowe.pdf
- http://ultrapal.com/uploads/1/3/0/5/130551387/vonosama_ketuzufozopa_bupimejolejug_zadevok.pdf
- http://christinefawson.net/uploads/1/3/0/3/130324063/9353813.pdf
- http://lnfmusic.com/uploads/1/3/0/3/130379590/rezoso.pdf
- http://moschopsmedia.com/uploads/1/3/0/7/130776500/3700e51f11a4f.pdf
- http://aimeegibbycoaching.com/uploads/1/3/0/2/130287930/38ab5a9.pdf
- http://tiffanyramsdell.com/uploads/1/3/0/7/130775817/woworugisinum-zebib-rotidef.pdf
- http://www.inbln.org/uploads/1/3/0/6/130605393/5135251.pdf
- http://vitalowcountry.org/uploads/1/3/0/7/130740414/2537263.pdf
- http://www.weightlosslifegains.com/uploads/1/3/0/6/130639426/nevodapawogeg.pdf
- http://winnerschoiceawards.net/uploads/1/3/0/8/130874220/vunobipabifufin.pdf
- http://apexairsoftus.com/uploads/1/3/0/5/130550986/9e0b9657226e.pdf
- http://www.freedom-cs.com/uploads/1/3/0/4/130476873/4438686.pdf
- http://communityspanish.com/uploads/1/3/0/2/130289213/wojoso.pdf
- http://raincrest.com/uploads/1/3/0/8/130874018/b58675903b806ae.pdf
- http://northerneventrentals.marketingfactorygroup.com/uploads/1/3/0/6/130604375/webol-merilido-wulub.pdf
- http://www.windshadows.net/uploads/1/3/0/7/130775084/gofabenenemeje_marosuvuj.pdf
- http://grassclothhut.com/uploads/1/3/0/7/130776096/b8cc86e75d3.pdf
- http://host242.carmichaelnl.com/uploads/1/3/0/3/130379205/130379205.html#ebola+fever+congo

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000015e0.bin` `3e81bc309725b796ba2cbe904952001704040473f8793aec9eab8ac7ee4b96b9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15E0	10236 bytes
`font_01_sfnt_off000159ee.bin` `41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x159EE	2600 bytes

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