Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce5d78b9340f17e…

MALICIOUS

PDF

37.8 KB Authoring application: Serif PagePlus
MD5: d11bfbd37b5dd39a89a4ddb9b0850e27 SHA-1: 7e7033713a2ab609d24de4fafbb9a89ca9e9638e SHA-256: 2ce5d78b9340f17e153f745120719d1afca5d6307cdeae172f1172f8cbbb7966
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score support the malicious classification. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://jafan.copyrightcontact-1000041832095.com/uploads/2020/01/27/1960824.pdf
    • http://wtcblackbox.com/uploads/1/3/0/2/130273801/7717969.pdf
    • http://kacigraceco.com/uploads/1/3/0/3/130379319/3087961.pdf
    • http://synchrocentral.com/uploads/1/3/0/6/130605036/6356483.pdf
    • http://bitforlife.ru/uploads/2020/01/28/53fb8fbe0e14.pdf
    • http://rapidrestoreaz.com/uploads/1/3/0/4/130488820/4647848.pdf
    • http://viri.ww7ww.top/uploads/2020/01/28/0f01aed0.pdf
    • http://sweet-southern-sass-mobile-boutique.com/uploads/1/3/0/5/130590282/buker.pdf
    • http://wirun.maturitas.ru/uploads/2020/01/29/fafabinuge_kozojexoder_lovol.pdf
    • http://alicelandry.com/uploads/1/3/0/4/130476538/5005164.pdf
    • http://lifedesignconcierge.com/uploads/1/3/0/4/130488626/likagenawavaf_torarod.pdf
    • http://getkmaccontent.com/uploads/1/3/0/4/130483871/9198258.pdf
    • https://ninelapubag.weebly.com/uploads/1/3/0/2/130270898/3814791.pdf
    • http://the-hemp-life.com/uploads/1/3/0/4/130483270/vafemosufe.pdf
    • http://mattclinesfitness.com/uploads/1/3/0/5/130588842/towuw.pdf
    • https://nunusifono.weebly.com/uploads/1/3/0/3/130323962/575e7.pdf
    • http://signaturepropertysolutions.net/uploads/1/3/0/6/130621581/xilewegoxamilomune.pdf
    • http://samoma.epiad.com/uploads/2020/01/27/lelefimefitas.pdf
    • http://twistedicecreamelcho.com/uploads/1/3/0/5/130588216/80ffd85ed63.pdf
    • http://bartolomeilaw.com/uploads/1/3/0/5/130548039/130548039.html#holt+mcdougal+mathematics+grade+7+answer+key+probability

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001555.bin
ec842a61a20dc5a044ed8d7be8d43e75405fb304cd080de0f5309105d5cc4bea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1555 7840 bytes

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