Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c0a6e0dce0eeb4d…

MALICIOUS

PDF

60.8 KB Authoring application: pstoedit
MD5: 4727bb2cc816976591164426c0e8f63d SHA-1: 70e45a78a310090a24099a67bde1d9ea5ab8d3f8 SHA-256: 2c0a6e0dce0eeb4da88cfcbbb8b63822300214b9c46647fb5056710ba51c6310
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was detected as malicious by ClamAV with the signature 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a large number of embedded URLs, indicative of a link farm designed to redirect users to malicious sites. The primary heuristic firing, 'PDF_SEO_LINK_FARM', confirms this behavior, highlighting the extensive use of external links. No scripts were extracted from this sample.

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://obscience.org/uploads/1/3/0/4/130435594/361b30f875a.pdf
    • https://bewowoxifa.weebly.com/uploads/1/3/0/4/130477131/rawegomeze_bedivukujila.pdf
    • http://lucaazzurro.com/uploads/1/3/0/5/130588679/vejafexuvunaz.pdf
    • http://blockedbyfire.com/uploads/1/3/0/4/130476192/cfb16856.pdf
    • http://lopofo.offparst.com/uploads/2020/01/29/givolilifukinas_suratape_ligameguvov.pdf
    • http://pob.gruzodelov.ru/uploads/2020/01/28/1742279.pdf
    • http://fukuwaz.motivationluxury.com/uploads/2020/01/27/tuwex.pdf
    • https://xuvezekezok.weebly.com/uploads/1/3/0/2/130289773/wujuraparusifu-pasibaxafo.pdf
    • http://fejekiw.epiccams.online/uploads/2020/01/27/9c2f2ece578c.pdf
    • http://tgi420.ca/uploads/1/3/0/2/130289363/kulizamuwabi_dudexitejabe.pdf
    • http://pumoxi.championscrapcars.com/uploads/2020/01/27/bumit.pdf
    • https://nasakafawo.weebly.com/uploads/1/3/0/2/130288854/00c54f.pdf
    • https://dajekapixidi.weebly.com/uploads/1/3/0/3/130379305/7512586.pdf
    • http://1touch.org/uploads/1/3/0/4/130476089/1c0b21459827.pdf
    • https://kezuduzo.weebly.com/uploads/1/3/0/4/130435546/bb0100fa04c3718.pdf
    • http://buza.baccy-earwing.info/uploads/2020/01/28/leruzur-bevefemulapis.pdf
    • http://padijike.ethsmart.biz/uploads/2020/01/28/6820831.pdf
    • https://muwaxomarabeziv.weebly.com/uploads/1/3/0/4/130435598/vudofi.pdf
    • http://lafufuneg.trenirovka-pressa.ru/uploads/2020/01/28/4628b7ee163d.pdf
    • http://pexajilero.damianperezescribano.com/uploads/2020/01/27/027049dd229a.pdf
    • http://gezan.skrb.pw/uploads/2020/01/27/5997694.pdf
    • http://agingnaked.com/uploads/1/3/0/5/130539697/bbc9819cf85.pdf
    • http://pocketlistingprescott.com/uploads/1/3/0/5/130546244/8015d9bae.pdf
    • http://stjhollandfaith.org/uploads/1/3/0/2/130287942/78bee1.pdf
    • http://ibeauty.guru/uploads/2020/01/28/zusejiz-zexazavijud-duladimo.pdf
    • http://ciggysound.com/uploads/1/3/0/6/130621390/130621390.html#aggiornamenti+windows+10+lento

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001930.bin
f9bbd1949667360a62c7bd619d978cf63ae0c7c1cadaa01c64580c699464ec52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1930 9068 bytes
font_01_sfnt_off0000b2bc.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB2BC 2652 bytes

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