Malicious PDF — malware analysis report

Static analysis result for SHA-256 b387b2e8aab0f201…

MALICIOUS

PDF

45.4 KB Authoring application: PDFedit
MD5: 507cfa45324173e31db1c3c0ca7daa13 SHA-1: f21a33a643320a911f54dec9dd838312880d7d0c SHA-256: b387b2e8aab0f201981c1b767c1a6e3b1bc4faad9eed8b2e75f93f9af2206739
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various domains, suggesting a link farm or SEO poisoning attack. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely to redirect users to phishing or malware sites. 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://fejibese.rentkazan.com/uploads/2020/01/28/3351838.pdf
    • http://kelleymonanan.com/uploads/1/3/0/3/130313390/ff67a438c49.pdf
    • http://preseven.weebly.com/uploads/1/3/0/6/130604327/kalisixuwujagodo.pdf
    • http://africanretreats.com/uploads/1/3/0/5/130588191/5539452.pdf
    • http://rose-from-concrete.com/uploads/1/3/0/2/130272233/dazadasado.pdf
    • http://sensitivoantonio.it/uploads/1/3/0/6/130620834/a3eb61144ab.pdf
    • http://drivelifewild.com/uploads/1/3/0/2/130289703/rekowatu.pdf
    • http://momosa.us/uploads/1/3/0/6/130621066/masixipumo-nivawo-dukizumuxudasi.pdf
    • http://luxuryvideo.info/uploads/2020/01/28/80ee9ef6.pdf
    • http://deannaheathrealty.com/uploads/1/3/0/5/130550769/pikadozeponi_rutubimivadi_kapavowoza_peligu.pdf
    • http://olgausova.com/uploads/1/3/0/6/130603939/021a08d56d.pdf
    • http://aysenurguler.com/uploads/1/3/0/3/130323892/4168519.pdf
    • http://fixedtexp.tech/uploads/2020/01/28/8513151.pdf
    • http://xanug.dfd.ru/uploads/2020/01/28/suwomizofofoka.pdf
    • http://morbegnoclassica.com/uploads/1/3/0/2/130291591/mekofer.pdf
    • http://anofasonline.com/uploads/1/3/0/6/130639848/kededogopoxuda.pdf
    • http://art-of-drama.com/uploads/1/3/0/5/130551319/5bff145a36fb.pdf
    • http://sewoz.zotye-t600.ru/uploads/2020/01/27/vumil_kufidusubu.pdf
    • http://montessoritoysandfurniturecambodia.com/uploads/1/3/0/6/130604344/4666607.pdf
    • http://peregorodka-lab.ru/uploads/2020/01/27/dukatuzaware-povejelozozipo-fejisazoji-xufowanozoperu.pdf
    • http://drpatty.net/uploads/1/3/0/5/130542853/130542853.html#bullet+of+justice+full+movie+2017

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000017cb.bin
76a8116bd65cbcb3a149064a6655b23dce053afc274cd9c7ca3ba7ef860a29df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17CB 8872 bytes
font_01_sfnt_off00006a85.bin
65ca2fa633a49bc637c245e3469a24bec82cbb291b9200d770c42ee2df1588ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A85 16096 bytes

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