Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcaacb7fe0d4dbdd…

MALICIOUS

PDF

28.8 KB Authoring application: Mobipocket Creator
MD5: 79a0eae21941e8d22e3cd3997ac9b4ac SHA-1: 1ab1830815076074cc99e2c93c31a359ae7ed739 SHA-256: fcaacb7fe0d4dbddd6fd7fc0a546354d206ac454fdd49e4a6803c7ae6f2f192b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. No scripts were extracted, and the document body content appears to be corrupted or irrelevant to the malicious activity.

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://jetsetsocial.com/uploads/1/3/0/8/130814584/fe3219.pdf
    • http://compostthat.com/uploads/1/3/0/8/130813369/vofikib-lafuf.pdf
    • http://neohiofishingsupply.com/uploads/1/3/0/3/130379757/vaxebe.pdf
    • http://nailsbymargaret.com/uploads/1/3/0/4/130475939/4646771.pdf
    • http://merrec.space/uploads/1/3/0/3/130324027/rodedaxesenaruxi.pdf
    • http://toursofcalifornia.com/uploads/1/3/0/2/130287893/zidimufifotamen.pdf
    • http://radmag.com/uploads/1/3/0/4/130477890/xenupu.pdf
    • http://diamondbabygems.com/uploads/1/3/0/5/130539229/kifofufoxizizi-sutag-fupaxiwesifotir.pdf
    • http://theodishthoughts.com/uploads/1/3/0/7/130776267/sizevanunafel_gapebi.pdf
    • http://demainsaintandre.com/uploads/1/3/0/3/130379138/lolufakorefaj-suvojibalusex.pdf
    • http://drkerriesmedley.com/uploads/1/3/0/4/130483940/4481203.pdf
    • http://knockaroundllc.com/uploads/1/3/0/2/130287738/7416616.pdf
    • http://animatedhuman.org/uploads/1/3/0/3/130323585/1297190.pdf
    • http://summitcityexposure.com/uploads/1/3/0/6/130605159/fegojegagun.pdf
    • http://schallisflyfishing.de/uploads/1/3/0/5/130551331/4894891.pdf
    • http://yogabyamandaretreats.co.nz/uploads/1/3/0/5/130590338/9f30c7.pdf
    • http://urbanshamanism.online/uploads/1/3/0/3/130379060/wivibejubuk.pdf
    • http://www.mpdkiddiekamp.com/uploads/1/3/0/2/130272452/9187697.pdf
    • http://dennis-bowen.pleasingfood.com/uploads/1/3/0/5/130541103/130541103.html#aeron+chair+by+herman+miller+assembly+instructions

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001849.bin
cfecb7d791e401087af6e4460e3c8182d0dbcfaacc25f724bef99780c8ebc2a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1849 5876 bytes

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