Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e7f19a09ce654e1…

MALICIOUS

PDF

34.8 KB Authoring application: pdf-parser
MD5: a91f2675109e151a90264e95acb17e6b SHA-1: d4a932c69dc868c6851ce50d4ff0778a5958b882 SHA-256: 0e7f19a09ce654e122571b6f419a7006b9159872dbceaab45be552f5cc1e6ff7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also indicate maliciousness, specifically related to phishing. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://betterbloodwork.com/uploads/1/3/0/5/130547659/nuzujuwev.pdf
    • http://zowajof.smt-hb.ru/uploads/2020/01/28/tokiluw-wutolofuvakiliz-bigeguxolise.pdf
    • http://aaroncharlesg.com/uploads/1/3/0/6/130622038/gatetetoziv.pdf
    • http://newriverknockouts.org/uploads/1/3/0/5/130545882/zutufexipirug_wuzif_melifutijonexiv.pdf
    • http://powerofmoney.tv/uploads/1/3/0/4/130478609/purululuzin.pdf
    • http://mindraym5.radiologyequipmentstore.com/uploads/1/3/0/6/130640227/6489283.pdf
    • http://breathingzonetech.org/uploads/1/3/0/5/130551625/ribevuvuza.pdf
    • http://cathygambino.net/uploads/1/3/0/2/130271001/gaxipub.pdf
    • http://claireleisringbuerkcounseling.com/uploads/1/3/0/7/130739508/gonezaxomaw_wojosaxe_rutudivo_pefimusezosevu.pdf
    • http://hello-baby-toys.com/uploads/1/3/0/7/130739919/130739919.html#hum+royenge+itna+hame+maloom+nahi+tha+mp3+song

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012f2.bin
e0ea37f18f76144482d17e9e819657591e2445e590d10d977c0959c1637e5ff2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F2 8596 bytes

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