Malicious PDF — malware analysis report

Static analysis result for SHA-256 55441b60c8d6b537…

MALICIOUS

PDF

39.3 KB Authoring application: Solid Converter PDF
MD5: 73313c35dbefb3155f11094f33eb802a SHA-1: d9ad396b138190a1df0d001d2cbc27827b08959c SHA-256: 55441b60c8d6b53781c4a4661c2ce48762ee905d1d49e61499a480082324cfcd
120 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 external PDF documents hosted on various domains. This behavior is indicative of a link farm or redirection mechanism, commonly used in phishing or malware distribution campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

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://lilymere.com.au/uploads/1/3/0/2/130289063/dezowa_novik_bumotoj.pdf
    • http://miputt.com/uploads/1/3/0/6/130639257/01e8f7d8ca.pdf
    • http://hotelbliss.org/uploads/1/3/0/6/130639318/8337743.pdf
    • http://macieowens.com/uploads/1/3/0/6/130639573/7323854.pdf
    • http://specialtouchvisuals.com/uploads/1/3/0/2/130288753/367277.pdf
    • http://zold.virtus.hu/uploads/1/3/0/4/130489162/zitagud-xawekidosi.pdf
    • http://lauriamusic.com/uploads/1/3/0/8/130813975/jonalagupuvogadij.pdf
    • http://derrettphoto.com/uploads/1/3/0/7/130775854/3213071.pdf
    • http://bradleygorman.com/uploads/1/3/0/5/130550961/10d00.pdf
    • http://programsformindfulliving.com/uploads/1/3/0/2/130291689/4274467.pdf
    • http://citasonlinepasaporte.com/uploads/1/3/0/6/130639635/jupawulilalexumetivi.pdf
    • http://comfycabinfamily.com/uploads/1/3/0/5/130547142/farajuka-wopox.pdf
    • http://porntaza.com/uploads/1/3/0/3/130323755/pubawopowitalot-luxusitane-nafonesilope.pdf
    • http://primeclassutah.com/uploads/1/3/0/5/130540134/jutobotaluri.pdf
    • http://homesteadfeedandmercantile.com/uploads/1/3/0/5/130588899/nolesak.pdf
    • http://74-123-73-74.mgwnet.com/uploads/1/3/0/9/130969474/130969474.html#cause+of+dry+eyes+sjogren%27s+syndrome

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000407a.bin
68046915e03707c68149faeffd2396101d296f811bdd347b21a95a014c7fd750		 pdf-font-stream PDF embedded font (sfnt) at offset 0x407A 7484 bytes

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