PDF malware analysis — malicious · 56ac91056a33f6fc

MALICIOUS

PDF

37.9 KB Authoring application: Scribus

MD5: a99670fd09acf868c461a293e3c94dd8 SHA-1: 07780f2448dbbdbe2923fd5539c046b658e3bb35 SHA-256: 56ac91056a33f6fcbf504423eb95bcec6bca7b103ed7b00bf8e48686d9cc42cb

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF document identified as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.TtraffRobotInstall. The document body, though heavily obfuscated, suggests it is presented as a user guide to entice users. A key IOC is the external URI pointing to a suspicious domain, likely serving the malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
External URI info PDF_URI

PDF contains an external URL action
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://jexeja.ssberprizee.info/uploads/2020/01/27/nowakenir.pdf
- https://pifamedoru.weebly.com/uploads/1/3/0/3/130379422/36c0341977c4b.pdf
- http://assentive.net/uploads/1/3/0/2/130291373/fivaxuwuka.pdf
- http://free-rein-ranch.com/uploads/1/3/0/4/130488666/3795923.pdf
- http://asburycropfarm.org/uploads/1/3/0/4/130489066/bebukonidivarowapar.pdf
- http://mindforyou.org/uploads/1/3/0/2/130272848/130272848.html#linksys+e2500+user+guide+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000102b.bin` `47f84e33cc3f2613def6c49a08640c4ed4b58d06ba38a2ed1a694c84725b2dac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102B	7140 bytes

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