PDF malware analysis — malicious · c47891b1255a3d16

MALICIOUS

PDF

43.6 KB Authoring application: ImageMagick

MD5: 02629688766e23c0020c8e41fd502b9d SHA-1: e63c1b5f71fb5ad2d2b94837ab643772fda0f919 SHA-256: c47891b1255a3d161f4a0d550ff7275e26e37c694cfb615b1352ab6f7e06f763

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by multiple heuristics, including a critical finding for a large number of external PDF links, suggesting a link farm for SEO manipulation or redirection. ClamAV identified it as Pdf.Phishing.TtraffRobotInstall, and an ML classifier gave a high confidence score. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent. The primary attack pattern involves leveraging numerous embedded URLs to potentially lead users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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://nicoleraucheisen.com/uploads/1/3/0/5/130588913/5892461.pdf
- http://treesofbaltimore.com/uploads/1/3/0/5/130539114/jugeruxugozive.pdf
- http://drtoxie.com/uploads/1/3/0/7/130775503/1d9349e75072b53.pdf
- http://nursisociety.org/uploads/1/3/0/2/130288455/povanijofewepujug.pdf
- http://nymanenterprises.net/uploads/1/3/0/4/130476083/f8ff5.pdf
- http://elementecommerce.com/uploads/1/3/0/8/130813740/5957652.pdf
- http://whosinyourtribe.com/uploads/1/3/0/7/130739061/kulod-mudor.pdf
- http://slatteneyecare.com/uploads/1/3/0/6/130620437/09188e5.pdf
- http://midwestalehouse.com/uploads/1/3/0/4/130476083/1bd04b.pdf
- http://nordicswimming.org/uploads/1/3/0/4/130435755/vekibedekex.pdf
- http://namiwashcounty.org/uploads/1/3/0/6/130620620/limuluromarid.pdf
- http://domesticabuseministry.org/uploads/1/3/0/4/130476332/9019087.pdf
- http://sfsparkscheerleading.com/uploads/1/3/0/2/130274279/niziwizidala_vifotaxezasisim_kiwuvudodibur_dimokobomipim.pdf
- http://mygprf.org/uploads/1/3/0/2/130274256/5331536.pdf
- http://sdkuykendall.com/uploads/1/3/0/2/130287738/refemetefukis.pdf
- http://danahalllcpc.com/uploads/1/3/0/5/130588438/1758821.pdf
- http://anarogersfitness.com/uploads/1/3/0/5/130547405/1381812.pdf
- http://howepropertymanagement.net/uploads/1/3/0/7/130740617/ziked_vubizet_mezuzedulave.pdf
- http://uitperu.com/uploads/1/3/0/5/130550982/dabdd9a3c16.pdf
- http://souwester.nl/uploads/1/3/0/6/130620451/cd9e4c3a9.pdf
- http://activehomefurnishing.com/uploads/1/3/0/2/130270866/gozejovoz.pdf
- http://theamazingtruth.com/uploads/1/3/0/7/130739152/386288d0e7fdef4.pdf
- http://teaby.me/uploads/1/3/0/7/130776814/givuluzalopidux.pdf
- http://uriqr.com/uploads/1/3/0/6/130604286/rokexexefubuw_rolomesojominan_wogafuj_togukef.pdf
- http://theelfbox.com/uploads/1/3/0/6/130605462/130605462.html#abbyy+finereader+12+rus+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE
- http://midwestalehouse.com/uploads/1/3/0/4/130476083/1bd

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00003cdd.bin` `5ac23f7229a089c52b7ec5ffbc98cbddb25601ec89c4c2e453de18020bb0d46f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3CDD	13464 bytes

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