Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5ff2db06c6d4096…

MALICIOUS

PDF

36.5 KB Authoring application: pdf-parser
MD5: 3e7ab0f556215e43318b82a2028abcf0 SHA-1: f03f0826897b7bd43feaa23a137b4278d3104eed SHA-256: f5ff2db06c6d40969478d0b040b5f1081d31f432d2cecc206e6761dd9abe7401
120 Risk Score

Malware Insights

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

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 phishing or malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery or execution methods.

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://qualitynow.net/uploads/1/3/0/5/130588973/2662214.pdf
    • http://desatascosbadalona.net/uploads/1/3/0/6/130620614/lomififufu-bezivawege.pdf
    • http://deckmachine.com/uploads/1/3/0/3/130379777/3fa6e1d862e.pdf
    • http://slccabroad.com/uploads/1/3/0/4/130476066/73516d2585f.pdf
    • http://williamfrenchmusic.live/uploads/1/3/0/3/130312920/belowatu_tolonewomixili_tilipe.pdf
    • http://rourkelacatholicdiocese.in/uploads/1/3/0/6/130603916/dudotijaf-fopeteridizen.pdf
    • http://henrylabs.net/uploads/1/3/0/2/130271016/bf7fe4bd2da986.pdf
    • http://soulfeastco.com/uploads/1/3/0/6/130605381/wirudukamarim-riginilutifo.pdf
    • http://letswinesoon.com/uploads/1/3/0/5/130590117/nizupid_wovujo.pdf
    • http://inquirelocal.com/uploads/1/3/0/6/130604105/naxotumanaborefuva.pdf
    • http://arthurcountywolves.org/uploads/1/3/0/2/130273581/bitikazo-toxeda.pdf
    • http://mindforyouth.com/uploads/1/3/0/4/130483279/kigaj_magaruwanabeli_lusedaginibet_kobisasobebodaz.pdf
    • http://detailinggreensboro.com/uploads/1/3/0/4/130483429/nesos.pdf
    • http://nabhthefam.com/uploads/1/3/0/7/130775854/9f07e489df.pdf
    • http://moneynerd.net/uploads/1/3/0/5/130551182/tores_zisuvugazavo_pinutapiti_kugisu.pdf
    • http://mickkok.com/uploads/1/3/0/2/130288488/bobolifaxofemux.pdf
    • http://roofwastehaulers.com/uploads/1/3/0/2/130288380/6bb349f4541abc.pdf
    • http://cacaitodance.com/uploads/1/3/0/2/130287878/dexolaloli.pdf
    • http://cliffleephotos.com/uploads/1/3/0/7/130775192/5349383.pdf
    • http://www.alittletong.com/uploads/1/3/0/2/130288639/luxug.pdf
    • http://rahman4ga.com/uploads/1/3/0/6/130621532/kovabepa.pdf
    • http://www.designcanadian.ca/uploads/1/3/0/8/130813453/400148c9e2.pdf
    • http://bwsinvestments.com/uploads/1/3/0/4/130435891/130435891.html#comprimir+archivos+rar+al+maximo+online+gratis
    • http://nabhthefam.com/upload

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b3d.bin
b73455f6953db9cc0c6b29a6605f002ce02693dab80d0472c0b277e2f0497a3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B3D 8968 bytes

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