Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3db36746f1d5cf9…

MALICIOUS

PDF

38.2 KB Authoring application: LibreOffice
MD5: 80b79b15967efbd1bdddced81b2367b2 SHA-1: d6fd2dae7d47a0b7246442d9f93e47cf6c238deb SHA-256: e3db36746f1d5cf9adb430e62b44006751b456cfdf1e9c306ec9ae8f7956fedc
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 external PDF documents. This behavior is indicative of a link farm or redirection scheme, often used to distribute malicious content or conduct phishing attacks. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. 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://fearlessvisionmarketing.org/uploads/1/3/0/4/130476322/rukumawuworige_xuwowora.pdf
    • http://studysmartedu.com/uploads/1/3/0/4/130476691/46c6cf08c9e9.pdf
    • http://natalieeldridge.com/uploads/1/3/0/6/130620847/zenonilisobawem.pdf
    • http://ngpsychology.com/uploads/1/3/0/7/130739814/rijifo.pdf
    • http://nebuchadnezar.com/uploads/1/3/0/6/130639329/sisejalabat_ruguru_dabazev_wanovawu.pdf
    • http://sea-riders.com/uploads/1/3/0/3/130313081/ginuv.pdf
    • http://thceasoningsspaandhome.com/uploads/1/3/0/4/130476468/3811375.pdf
    • http://oakhillcontractorsllc.net/uploads/1/3/0/5/130550955/bcbec1bdec3862.pdf
    • http://alfredveretto.com/uploads/1/3/0/6/130621457/9269940e601fc.pdf
    • http://coachcollinsfootballcamp.com/uploads/1/3/0/6/130622103/7794650.pdf
    • http://chynnaalexandraphotography.com/uploads/1/3/0/3/130313230/1853400.pdf
    • http://nstarlight.com/uploads/1/3/0/6/130604018/suliroxase_natiwanovefolu_wexepes.pdf
    • http://derwoodmarket.org/uploads/1/3/0/3/130323281/zasemurajive.pdf
    • http://costaricaherbalmedicine.com/uploads/1/3/0/3/130313177/gowezalew.pdf
    • http://camping-graesselmuehle.de/uploads/1/3/0/6/130604896/zeduvazewafibelovu.pdf
    • http://richbassviolin.com/uploads/1/3/0/4/130476873/aedb498347.pdf
    • http://modern-energy.co.uk/uploads/1/3/0/5/130547405/7388951.pdf
    • http://internetsmoney.net/uploads/1/3/0/2/130289392/zefar-letobe-dadofabip-lulenigifufare.pdf
    • http://xeziluporu.lanticadimansotti.com/uploads/2020/01/29/muposox-doloder-salup.pdf
    • http://lucidpapercuts.com/uploads/1/3/0/4/130435834/pawivawozi.pdf
    • http://anchorfertilitycare.com/uploads/1/3/0/3/130313346/5858118.pdf
    • http://kuga.migrascop.ru/uploads/2020/01/28/1bcb921.pdf
    • http://mychinesewatch.com/uploads/1/3/0/6/130605315/130605315.html#clinical+chemistry+bishop+8th+edition+pdf+free+download
    • http://chynnaalexandraph

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003649.bin
213965cf4843ef3c373b63eae1b7eddcc25b4b57c8b9b20220989aaa66ca9ab0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3649 7040 bytes

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