Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc4ad7bc8a7a0427…

MALICIOUS

PDF

47.0 KB Authoring application: Adobe PDF Library 9.0
MD5: 381e4fab129f4243ed8c05934806afa9 SHA-1: 34b9bc236942f46d50af96ab086f66239554ff54 SHA-256: cc4ad7bc8a7a0427617b6e0340497c37c31ed3794df2dcaceb9ba16dfb0cec3d
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The ML classifier also strongly flagged this as malicious. No scripts were extracted from this sample.

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://kellypick.com/uploads/1/3/0/5/130588906/dee58a.pdf
    • http://bayareaeventphotographer.com/uploads/1/3/0/3/130379111/wadezababonuku-tunapevama.pdf
    • http://megs.studio/uploads/1/3/0/7/130775862/fomorofiva_zetorewidos.pdf
    • http://nowigetit.net/uploads/1/3/0/7/130738830/3908784.pdf
    • http://www.lecafetagwi.com/uploads/1/3/0/6/130604862/7827161.pdf
    • http://scottsdaleemergencyplumber.com/uploads/1/3/0/6/130604177/pokoxututide.pdf
    • http://playtherapyonlinetrainingacademy.com/uploads/1/3/0/3/130379239/9101531.pdf
    • http://leahtribe.com/uploads/1/3/0/7/130740618/wanekevirejaleru.pdf
    • http://custommojavepoolsinc.com/uploads/1/3/0/7/130776611/986e7b93d.pdf
    • http://knappd.net/uploads/1/3/0/4/130483122/4baa22f0bf80.pdf
    • http://127onyork.com/uploads/1/3/0/4/130489228/fowakegomagej-nufutedelowabu.pdf
    • http://moskamusic.com/uploads/1/3/0/7/130740316/tidujuvi.pdf
    • http://divi-expert.com/uploads/1/3/0/6/130604742/vewivazitijo-vomowurexosuju-lizuvawularug-bipop.pdf
    • http://norcal-cre.com/uploads/1/3/0/4/130435679/lopom-xuxovitabo-lexokomutewiso.pdf
    • http://yourjourneywithjenn.com/uploads/1/3/0/3/130313107/4015963.pdf
    • http://trtidalwave.com/uploads/1/3/0/5/130590030/1772503.pdf
    • http://arpi.ca/uploads/1/3/0/6/130639549/4361027.pdf
    • http://darlinlittlebowtique.net/uploads/1/3/0/4/130483428/kaxojewug.pdf
    • http://conversations4life.com/uploads/1/3/0/7/130739772/3011884.pdf
    • http://beautyenpointe.com/uploads/1/3/0/6/130605497/ca973.pdf
    • http://thebridgeconsulting.net/uploads/1/3/0/5/130544072/nixerawuweb_mogikopelir_xekajopexaji.pdf
    • http://kimleephotography.net/uploads/1/3/0/4/130476821/regen.pdf
    • http://threemovieguys.com/uploads/1/3/0/5/130539492/6309422.pdf
    • http://www.godsdetail.ca/uploads/1/3/0/5/130543653/130543653.html#nitro+cloud+pdf+to+excel+converter
    • http://megs.studio/uploads/1/3/0/7/130775862/fomorofiva_zetorewidos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000546a.bin
2737066d8a4917975308873edaea3dbfe3f5a59b6c537b5c9b7e9880bb20dc62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x546A 8424 bytes

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