Malicious PDF — malware analysis report

Static analysis result for SHA-256 692c7a347f0763d7…

MALICIOUS

PDF

36.6 KB Authoring application: Mobipocket Creator
MD5: 9a07447ac93fbd075fa7725f1d22f319 SHA-1: e9f8b156b8f88beb04eb6e9b582bd9c90e233410 SHA-256: 692c7a347f0763d722f3471fdd4d300eb64a2ddc5756a219b6c4e01b13bf4fb7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. No scripts were extracted, but the heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful sites.

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://escaperoomcville.com/uploads/1/3/0/6/130604841/poguxuz.pdf
    • http://www.thegeneticcode.online/uploads/1/3/0/5/130543158/4e1b41fe.pdf
    • http://superkablooey.com/uploads/1/3/0/5/130543070/vafaxobadevig.pdf
    • http://ns1.mobydickhostel.com/uploads/1/3/0/6/130639539/361058.pdf
    • http://thecujoclub.com/uploads/1/3/0/5/130539825/5018f01cd96e.pdf
    • http://shitowura.com/uploads/1/3/0/3/130324030/fewaxuxa.pdf
    • http://mydanielswaterfrontcondo.com/uploads/1/3/0/3/130379163/dimilejuvukadaj.pdf
    • http://zenobunny.com/uploads/1/3/0/4/130475955/c80a683a0a.pdf
    • http://sparkfizz.net/uploads/1/3/0/7/130740140/5735165.pdf
    • http://pivotingdigital.com/uploads/1/3/0/4/130483178/8655934.pdf
    • http://mytorchdata.com/uploads/1/3/0/2/130288626/4378199.pdf
    • http://com.trecceshoestop.com/uploads/1/3/0/9/130969708/a4218f67f2.pdf
    • http://mta-sts.romboid.pl/uploads/1/3/0/7/130738762/gekakozupaletigenen.pdf
    • http://90w9p.salon225.com/uploads/1/3/0/6/130639672/130639672.html#visualvm+mbeans+tutorial

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035c7.bin
d7e2b8fdaf69fde8851420b55288153bc9af3baf473e0cab01c9d747f91e2142		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35C7 8128 bytes

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