Malicious PDF — malware analysis report

Static analysis result for SHA-256 d24eda17045b0d39…

MALICIOUS

PDF

33.2 KB Authoring application: Serif PagePlus
MD5: f2f974ebbf5086ba4bb72e68b74f73d5 SHA-1: abbbf4218a3f245d8d5798c2b32d01167254f22b SHA-256: d24eda17045b0d398120a918fc9cb9bdcb9228a17fdb5d850b577a359022f9e1
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. The embedded URLs suggest a link farm or redirection scheme designed to lead users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://communitycure.net/uploads/1/3/0/5/130541356/9371795.pdf
    • https://pawesixegopidiz.weebly.com/uploads/1/3/0/2/130272094/3468566.pdf
    • http://tattoosbyjessvann.com/uploads/1/3/0/5/130544243/xavisulid_runup_fakowuzefami_tobabozege.pdf
    • http://jed.serovatextile.ru/uploads/2020/01/27/sexutababa.pdf
    • http://alphaomegadetailing.net/uploads/1/3/0/4/130478760/mibikudozajukurugede.pdf
    • http://kevinpendergast.com/uploads/1/3/0/5/130547527/wumur-rikuxeb-ziwatumipufib-lidezozaguvugi.pdf
    • http://aurin.be/uploads/1/3/0/3/130313046/vovaramijozawi.pdf
    • http://merimon.nickel-access.com/uploads/2020/01/28/zutunomorifib-xuwuwuxugabov.pdf
    • http://chengsin-caf.com/uploads/1/3/0/5/130550758/lekakojofepiwajeni.pdf
    • http://villannabella.com/uploads/1/3/0/2/130291713/sugulududinu-lidegumo-lusukazijed.pdf
    • http://kusogoz.hlfxdata.online/uploads/2020/01/27/bemamadusi.pdf
    • http://fobi.nevaergomebel.ru/uploads/2020/01/29/vogukevuf_dofugiwid_kubufefa_vumezirigetado.pdf
    • http://cetonantzin.org/uploads/1/3/0/5/130588437/bolevimamixa.pdf
    • http://psychologicalcocktail.com/uploads/1/3/0/6/130604382/jivopuromefodulir.pdf
    • http://teamempoweringtogether.com/uploads/1/3/0/2/130291646/vufibo.pdf
    • http://knitvegan.com/uploads/1/3/0/2/130272260/4917970.pdf
    • http://lopila.audiostart18.icu/uploads/2020/01/28/dowujagenetutu.pdf
    • http://veteransretreatcenter.com/uploads/1/3/0/2/130287311/6707636.pdf
    • http://nomnomnatural.com.au/uploads/1/3/0/4/130493893/tefigebunapi.pdf
    • http://psychicmoonreadings.com/uploads/1/3/0/4/130483603/tupijokurezogu-vemozud.pdf
    • http://jkjlawnsprinkler.com/uploads/1/3/0/6/130603683/130603683.html#pictures+of+nature++free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001606.bin
1ad0b41e6deb97af10b47fa170eac9aa5eb8da484c2bb7beb158f910c1f79a94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1606 7212 bytes

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