Malicious PDF — malware analysis report

Static analysis result for SHA-256 321178c8b6aa5cbd…

MALICIOUS

PDF

44.5 KB Authoring application: OpenOffice.org
MD5: 891ced0eed0086aea4687ed717cfd614 SHA-1: b2ca8a84182609f50b4235aea61245357e6b918a SHA-256: 321178c8b6aa5cbdb8443727887ee7a6ea7d9daa4df0a0c15a3bfa554bfc6400
120 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 other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to distribute malicious content or manipulate search engine results. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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 https://fanusosedavin.weebly.com/uploads/1/3/0/4/130483552/wunidaderamiko.pdf
    • http://cheryltesslersolitfoundation.com/uploads/1/3/0/3/130312961/2749181.pdf
    • http://massagetherapistsacramento.com/uploads/1/3/0/2/130274378/202751.pdf
    • http://spinningred.com/uploads/1/3/0/2/130287502/b3bd25d9002.pdf
    • http://mohawkvapors.com/uploads/1/3/0/6/130620367/dixotuwugum-tipiligos.pdf
    • http://fusabuzop.rutail.ru/uploads/2020/01/28/a23f866d4415.pdf
    • http://cccabbrefs.com/uploads/1/3/0/5/130543198/206d2e108f623.pdf
    • http://skybluecounseling.com/uploads/1/3/0/6/130639282/wupakosodeb_kafesive_dakut.pdf
    • http://menurotrin.ru/uploads/2020/01/28/8548976.pdf
    • http://silkgymnasium.com/uploads/1/3/0/3/130379864/pumajokogi_xaxevula.pdf
    • http://sefozegi.bestdentist.link/uploads/2020/01/28/letefonunerexupama.pdf
    • http://mododucspiritum.com/uploads/1/3/0/5/130543462/kekosunepor.pdf
    • http://actuallycoppingshoes.com/uploads/1/3/0/2/130272385/xabinapuxeliwuwu.pdf
    • http://tzvetnielinzi.ru/uploads/2020/01/27/8541882.pdf
    • http://miscoehillpto.org/uploads/1/3/0/5/130539672/6609058.pdf
    • http://ndhumanities.org/uploads/1/3/0/4/130491932/xudegelumot.pdf
    • http://mtdromedaryuc.org/uploads/1/3/0/3/130379202/1778277.pdf
    • http://beltwayig.com/uploads/1/3/0/6/130622083/db76f3310a5ab.pdf
    • http://bikseriet.com/uploads/1/3/0/6/130621137/e46cdba18.pdf
    • http://bentcreeksolutions.com/uploads/1/3/0/6/130639227/1588269.pdf
    • http://lebosscodance.com/uploads/1/3/0/4/130489446/lujoxowiramof.pdf
    • http://newpstowing.com/uploads/1/3/0/5/130551586/8614254.pdf
    • http://sagadaview.com/uploads/1/3/0/6/130605435/pezej-pududu.pdf
    • http://vipiski-besplatno34.icu/uploads/2020/01/28/b23f9.pdf
    • http://stokesed508webpage.com/uploads/1/3/0/2/130271214/130271214.html#black+eyed+peas+ft+j+balvin

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001746.bin
f46fa76accc28374aed7652269b832f530a07b668c2c90248fcc3d6581be0e61		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1746 8776 bytes
font_01_sfnt_off000066c4.bin
e1732afad814c741dd98b6db6bc7a41bee7146efcf81fc7fd6ccabd2c9be947e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66C4 16036 bytes

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