Malicious PDF — malware analysis report

Static analysis result for SHA-256 088eb9a0d31d6b10…

MALICIOUS

PDF

50.5 KB Authoring application: Mobipocket Creator
MD5: 5bdf716018f5927ed8e5667243123652 SHA-1: 0fc878ea1db637d569a97172c1beff5416250aed SHA-256: 088eb9a0d31d6b10c89358f1ba8fc85fbcfa59be093780afa8cb580613a80797
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to manipulate search engine results or distribute further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.

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://hollywoodbeautythreading.net/uploads/1/3/0/6/130621359/c02f707bf19.pdf
    • http://ptecsys.com/uploads/1/3/0/4/130492038/kadepuzuzuxe_jonebe_likivemanisomo_wegozopixovage.pdf
    • http://spakrakow.com/uploads/1/3/0/5/130589228/8d460876301f.pdf
    • http://cozmobott.com/uploads/1/3/0/5/130550696/dajafinanuw-fopuvodemezo-fiweluzekiwezag.pdf
    • http://whiskeyandwine.net/uploads/1/3/0/4/130483772/f4db04111030.pdf
    • http://lunaparkstudio.net/uploads/1/3/0/5/130551920/wejuburujewilor.pdf
    • http://anointingforbusiness.com/uploads/1/3/0/4/130483491/xusule.pdf
    • http://gracewesleyanmartinsburgwv.org/uploads/1/3/0/3/130313567/xajowe.pdf
    • http://www.hillces.co.uk/uploads/1/3/0/6/130621531/feravuwapatuliwuponu.pdf
    • http://www.aaronevanbeek.com/uploads/1/3/0/9/130969659/bujomokepisewix.pdf
    • http://dalotyn.store/uploads/1/3/0/2/130289239/zowus.pdf
    • http://libertyearlyeducationcenter.com/uploads/1/3/0/5/130590532/14d1fb1b.pdf
    • http://floatingorchards.com/uploads/1/3/0/6/130604205/59ee0172b748d.pdf
    • http://melbournehotelplaceholder.devsite-1.com/uploads/1/3/0/2/130291676/130291676.html#chuy%E1%BB%83n+%E1%BA%A3nh+jpg+sang+pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e3d.bin
27aad4e7100ae85831cc1a9cf4859e84521ff6b1ee9ac199fa10e6c4d4b25dad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E3D 2736 bytes
font_01_sfnt_off00004913.bin
3bf2c3194760ac900eb3af2cf88f33c015f0c025676fd632875dcaf078f1f40c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4913 23528 bytes
font_02_sfnt_off00006a7c.bin
d39b2a67630ae33b5a78a7d33108fb28d409a97d8e0936f6fc11b74f6a09a625		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A7C 10404 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.