Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ae5193299cea28…

MALICIOUS

PDF

38.2 KB Authoring application: PDFBox
MD5: e2656b65a8a4cc692dcfd42423bd544b SHA-1: 5722631e41e2827db73f650f48bf7f6809a423ab SHA-256: 22ae5193299cea28cb922889c84d38825fc069712a7a005f05e2d3f0573394da
152 Risk Score

Malware Insights

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

The PDF was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0 and a machine learning classifier. The primary heuristic indicates a link farm containing 31 external PDF links, with the first URL being http://givebeautywings.org/uploads/1/3/0/4/130478259/5367424.pdf. This suggests the document's purpose is to redirect users to a network of malicious sites.

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://givebeautywings.org/uploads/1/3/0/4/130478259/5367424.pdf
    • http://solarlandscapes.net/uploads/1/3/0/7/130776324/1b8599bb2.pdf
    • http://totalgravy.com/uploads/1/3/0/4/130476581/kovujitekomapiximin.pdf
    • http://www.jeffersonwilliams.com/uploads/1/3/0/4/130436390/wogamekivavupadapiza.pdf
    • http://misspaulasyoga.net/uploads/1/3/0/7/130739340/6247529.pdf
    • http://statesvstaxscam.com/uploads/1/3/0/5/130539295/dusubemi-momazokoj-pelite-pesigaziz.pdf
    • http://simplyessentiallife.com/uploads/1/3/0/8/130814633/2671696.pdf
    • http://fintechinvestmentbanker.com/uploads/1/3/0/4/130491356/mavovilubepuxopip.pdf
    • http://decormoreno.com/uploads/1/3/0/5/130588708/fb3fc3fd.pdf
    • http://suburbansubterranean.com/uploads/1/3/0/4/130436258/9365446.pdf
    • http://newspinmeasure.net/uploads/1/3/0/6/130639632/9371416.pdf
    • http://oneofakindbeauty.com/uploads/1/3/0/6/130639621/9419955.pdf
    • http://thingsome.com/uploads/1/3/0/5/130551920/1605510.pdf
    • http://mchumanesocietywi.org/uploads/1/3/0/8/130814980/bojofotezeruzos.pdf
    • http://millyproducts.com/uploads/1/3/0/2/130291922/lupiwezawuwoweseg.pdf
    • http://www.bwhcomics.net/uploads/1/3/0/6/130604046/b566a07e.pdf
    • http://enclab.com/uploads/1/3/0/3/130323469/nokupanonasow_bubofepudo.pdf
    • http://neurotherapycenterva.com/uploads/1/3/0/6/130604767/1892333.pdf
    • http://discoverya.com/uploads/1/3/0/5/130551218/pifuk-pozinafiliwikip.pdf
    • http://f4a2b2.bdgct.com/uploads/1/3/0/8/130873877/130873877.html#wet+scrubber+design+boiler

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003731.bin
b6994080d4dd8ab554cb06827f80c9dec29f62b43e1b1cbd9424baee2b0985da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3731 7852 bytes

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