Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f5e8dbd779e8756…

MALICIOUS

PDF

38.8 KB Authoring application: LibreOffice
MD5: 48aa99312033111df99fb9a0b6aee541 SHA-1: 1a28903e687da74a43ec0a367286a9a7d9416f94 SHA-256: 2f5e8dbd779e87568354862111d3824d67d96c5560629f6454ff33898699c451
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 pattern 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 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://andrewgibson.ie/uploads/1/3/0/2/130272600/dabapivonu.pdf
    • http://conjecturellc.net/uploads/1/3/0/3/130324390/zutigapife.pdf
    • http://carolpunt.com/uploads/1/3/0/3/130313440/1289563.pdf
    • http://bokolezim.photo-vologda.ru/uploads/2020/01/27/376735.pdf
    • http://morganmwilliams.com/uploads/1/3/0/4/130478520/gawipa.pdf
    • http://newyoujewelryshop.com/uploads/1/3/0/6/130639882/morizupotojax.pdf
    • http://sparkleofchange.com/uploads/1/3/0/6/130620371/4157349.pdf
    • http://missjordansclassroom.com/uploads/1/3/0/6/130639424/nagezekono.pdf
    • http://babopo.antiviruseprotectonline.xyz/uploads/2020/01/28/c3e5e29bc.pdf
    • http://andrewgouldmusic.com/uploads/1/3/0/5/130540926/6907426ebe.pdf
    • http://dreamdanceschool.net/uploads/1/3/0/4/130476075/3a57d42d0b731d.pdf
    • http://lejovomol.alfavent.info/uploads/2020/01/28/bidotuwodekogorab.pdf
    • http://notchviewlasertherapy.com/uploads/1/3/0/6/130620297/liwekegopaf_rikiwotaz.pdf
    • http://kijimomug.karmafx.pro/uploads/2020/01/29/c5402.pdf
    • http://tiffinindia.ca/uploads/1/3/0/2/130288462/12731ce12af479.pdf
    • http://aquariumsalesandservice.com/uploads/1/3/0/6/130640004/690845.pdf
    • http://my-gama.com/uploads/1/3/0/3/130379902/1207185.pdf
    • http://streetwerkzcustoms.com/uploads/1/3/0/6/130603929/kevegin-lasivogeginorix.pdf
    • http://metzteaching.net/uploads/1/3/0/4/130483244/pufekibozuwi-ripibifixo-funudojegexedu.pdf
    • http://bloodsugarbikemagic.com/uploads/1/3/0/5/130551661/b82fffc3ab76be.pdf
    • http://rolltribebaseball.net/uploads/1/3/0/6/130621651/e68ccb66973f.pdf
    • http://bellasafety.com/uploads/1/3/0/5/130550672/zetolofumab.pdf
    • http://riversidecountyhistory.org/uploads/1/3/0/5/130588560/130588560.html#aguas+de+marco+chords
    • http://andrewgouldmusic.com/uploads/1/3/0/5/130540926/6907426ebe.p

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016eb.bin
023fbf48a4b7a0868f7aefb48749c8f76b0384dd4606617374a211708f11f10b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16EB 9340 bytes

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