Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1d74ea8d3eac27e…

MALICIOUS

PDF

42.9 KB Authoring application: Mobipocket Creator
MD5: fb1f057e3a4499c410c330ec1bb03b62 SHA-1: 92b1f74591f8624204abb9ab59bb913ccbf12fb0 SHA-256: d1d74ea8d3eac27ef172d6fc794f4c69a564e74159855a811b6b41058b772981
150 Risk Score

Malware Insights

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

The PDF 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. The document body, though heavily corrupted, contains references to 'Placenta Previa', suggesting a lure to disguise the malicious link distribution. The primary attack pattern involves directing users to a vast array of external PDF files hosted on numerous domains.

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://prestomagictricks.com/uploads/1/3/0/7/130739286/xirujejugopipi-lifizuvowowuzi.pdf
    • http://334northmission.com/uploads/1/3/0/7/130740072/rubotasugiz-jomumidabixupo-duzisaxes-tedijamokup.pdf
    • http://suburbanhennepinhousingcoalition.com/uploads/1/3/0/8/130813738/22556ddd278.pdf
    • http://peekums.com/uploads/1/3/0/6/130620612/dogelide.pdf
    • http://grovenamsterdam.com/uploads/1/3/0/7/130738673/gubiwekaloxotolu.pdf
    • http://www.panicclub.co.uk/uploads/1/3/0/5/130589400/xezajagezika-pepuvite-tanoj-newir.pdf
    • http://jetson5.com/uploads/1/3/0/8/130813972/6784389.pdf
    • http://blessedinbali.com/uploads/1/3/0/8/130813063/vekejazinonuti_sixosonoxagijir_gunuzewovil_robakebisosije.pdf
    • http://foodireland.us/uploads/1/3/0/6/130620345/sigiwobe-xetorabinatu-vaxozot.pdf
    • http://palmsecurityservices.com/uploads/1/3/0/6/130639822/nezexowaperonawavo.pdf
    • http://adamgregg.com/uploads/1/3/0/7/130775701/6205290.pdf
    • http://tieganguojiyulechengdailiyongjin.f18.ebkf.org/uploads/1/3/0/2/130272396/2708492.pdf
    • http://theowlsnightlight.com/uploads/1/3/0/5/130539735/9388597.pdf
    • http://bestconference.net/uploads/1/3/0/7/130739654/xogaxixa_penowejibotej_bidevasimujo.pdf
    • http://nekimastrategy.net/uploads/1/3/0/7/130739945/bekupugene.pdf
    • http://renewair.org/uploads/1/3/0/6/130639867/8334559.pdf
    • http://losangeles-soul.com/uploads/1/3/0/2/130272381/398f7.pdf
    • http://cufftie.com/uploads/1/3/0/4/130436152/2173295.pdf
    • http://jennyoakley.com/uploads/1/3/0/8/130814254/7308628.pdf
    • http://dedicated-3.pleasingfood.com/uploads/1/3/0/6/130639665/130639665.html#placenta+previa+in+chinese

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004732.bin
3643c81898c87bb2c26aa1e7aec6b914eef69ebdfc182e6c451694a00ed28a76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4732 9020 bytes

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