Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eedc3073b6d75b6…

MALICIOUS

PDF

39.7 KB Authoring application: Nitro PDF First seen: 2020-09-04
MD5: 2ee0bb691fb056651cef11a646331250 SHA-1: 9a16674023928a47f9b9211aeab848bbcacdc142 SHA-256: 3eedc3073b6d75b6e689aa7d572e4bacaa99e22119bb6e1db12afe6731922c6b
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or malware distribution campaign, leveraging SEO tactics to lure victims. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://magazz2.fun/uploads/2020/01/28/rutatiwa_kisuno.pdf In PDF document text
    • http://covingtoneconomymeatmarket.com/uploads/1/3/0/5/130551562/dowonoxonogokasam.pdfIn PDF document text
    • http://ram78.ru/uploads/2020/01/27/5096b.pdfIn PDF document text
    • http://sharonbalogun.com/uploads/1/3/0/6/130603865/gugafegakuwaxibefub.pdfIn PDF document text
    • http://allaboutalyssam.com/uploads/1/3/0/3/130313454/danumo.pdfIn PDF document text
    • http://armadasport.com/uploads/2020/01/27/0d553c41.pdfIn PDF document text
    • http://cleansweepmusic.com/uploads/1/3/0/2/130288462/tokisiwukodupi-povejato-tabep.pdfIn PDF document text
    • http://mhsclassof1976.com/uploads/1/3/0/6/130639613/gopezaf-lanizefugukep-jutolatubenilo-tulavijebo.pdfIn PDF document text
    • http://amanspath.org/uploads/1/3/0/2/130289265/7786416.pdfIn PDF document text
    • http://lobu.otzyvok.com/uploads/2020/01/28/6773481.pdfIn PDF document text
    • http://lepale.factandi.tech/uploads/2020/01/28/1802915.pdfIn PDF document text
    • http://kinevib.finresult.com/uploads/2020/01/27/xinurimujikozuvufo.pdfIn PDF document text
    • http://xulasaleg.audiostart16.icu/uploads/2020/01/29/229172.pdfIn PDF document text
    • http://amcdistribution.ca/uploads/1/3/0/5/130589415/palorelu.pdfIn PDF document text
    • http://lisathomascounselingcorner.com/uploads/1/3/0/5/130589217/saxuvurip.pdfIn PDF document text
    • http://xavod.yusufkalayci.com/uploads/2020/01/29/lixam_buvup_bopowuvaguj_malarusulituboz.pdfIn PDF document text
    • http://radiopeopleitaly.weebly.com/uploads/1/3/0/6/130639891/kugizid.pdfIn PDF document text
    • http://mindfulnesscenteronline.com/uploads/1/3/0/6/130604863/a81283d96a7.pdfIn PDF document text
    • http://amksecurities.com/uploads/1/3/0/2/130288682/ruzukawav.pdfIn PDF document text
    • http://miraclevalleyceylon.com/uploads/1/3/0/4/130488067/tawig.pdfIn PDF document text
    • http://nineravens.weebly.com/uploads/1/3/0/5/130588980/4931305.pdfIn PDF document text
    • http://digitalbusinessinsider.net/uploads/1/3/0/4/130489377/122683.pdfIn PDF document text
    • http://btmamusic.com/uploads/1/3/0/2/130272365/130272365.html#apa+format+citation+bookIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001664.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1664 8096 bytes
SHA-256: 03ab8df9f8837feb102fcba6231c729563ed8b12b387d8ebcbaf393563d45b4d

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