Malicious PDF — malware analysis report

Static analysis result for SHA-256 35a4a4669c200a43…

MALICIOUS

PDF

37.3 KB Authoring application: Inkscape
MD5: 33baaacb36f15289c704384542afc643 SHA-1: 47eed342fb91ee50162d542f5541ef9c57b1604e SHA-256: 35a4a4669c200a43161ab7b022399c6b2f7fb66d796b31c72655a65ab9bc1767
150 Risk Score

Malware Insights

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

The 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 flagging it as phishing or traffic redirection. The embedded URLs point to a network of domains, suggesting a coordinated effort to drive traffic or distribute further malicious content. No scripts were extracted from this sample.

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://ladyhunter-apparel.com/uploads/1/3/0/3/130379509/4a17f68be99154.pdf
    • http://paleketo.com/uploads/1/3/0/6/130621597/fopuralurudireg-lelopil.pdf
    • http://newtribes.org/uploads/1/3/0/3/130379447/23b22b43d88ac0.pdf
    • http://suffragecentennials.org/uploads/1/3/0/7/130776075/17c730.pdf
    • http://mollystaplesdoula.com/uploads/1/3/0/4/130479435/dajekabinavuzukaz.pdf
    • http://elrinteriors.com/uploads/1/3/0/3/130313066/36ad8e.pdf
    • http://romasenzaglutine.com/uploads/1/3/0/7/130739853/pofaguliwol-balixi-paxokanozoxe-vegekoduza.pdf
    • http://gtbcf.com/uploads/1/3/0/2/130272853/3ddf87f7eebf65c.pdf
    • http://robotitechnologies.com/uploads/1/3/0/5/130541209/9902459.pdf
    • http://spintosouza.com/uploads/1/3/0/4/130479008/97a617f.pdf
    • http://caribbeanshadeproducts.com/uploads/1/3/0/2/130289305/7d6fd3fe6d1c7c.pdf
    • http://webdisk.kerkart.com/uploads/1/3/0/4/130488470/130488470.html#ielts+general+training+reading+vocabulary
    • http://caribbeanshadeproducts.com/uplo

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ab6.bin
bf75d240a68bfd419cb08686409a859fd8dd34280cae4a33a90f9d83731c62b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3AB6 8012 bytes

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