Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c9c8968b7f47514…

MALICIOUS

PDF

38.8 KB Authoring application: Scribus
MD5: 643d41b2ee93c0ab6b2b566e115d1b04 SHA-1: d2ee33364c0c69fe032875169d0b70c46042e98c SHA-256: 9c9c8968b7f47514f114ad3015d6b75ef8d08bd12822a36c6442d004b56236f8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. 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://dedej.barcelonaswing.cat/uploads/2020/01/27/9854386.pdf
    • http://mhsdoernbecher.com/uploads/1/3/0/2/130272880/d9cfd4.pdf
    • http://tavige.woltag.com/uploads/2020/01/27/6f1202b.pdf
    • https://daxakijegukopi.weebly.com/uploads/1/3/0/2/130274291/5225294.pdf
    • http://bowusiseb.showskazka.ru/uploads/2020/01/27/6843992.pdf
    • http://javipof.oprosniksell.xyz/uploads/2020/01/28/regipamerigixat_vafalodijuzaz_vadatedidataw.pdf
    • http://abingdoncc.org/uploads/1/3/0/6/130639309/mobolimipudev.pdf
    • http://johntobinjr.com/uploads/1/3/0/4/130488829/d41c5b.pdf
    • http://nowodudupu.luxary.fun/uploads/2020/01/27/nopozi-rugametesugil-xuduf-worexuravopope.pdf
    • http://rutofujise.audiostart07.icu/uploads/2020/01/28/juzepepupe_lilosokaxu_sumagodavokax.pdf
    • http://growingbolderfitness.com/uploads/1/3/0/6/130621143/laweguzekefisawifi.pdf
    • https://tetomotuzi.weebly.com/uploads/1/3/0/4/130476429/dufozez.pdf
    • https://malidobatupi.weebly.com/uploads/1/3/0/5/130542872/a9b50b8091e.pdf
    • http://marecjoyce.lighting/uploads/1/3/0/6/130640132/2ba41.pdf
    • http://plastyir.ru/uploads/2020/01/28/2208145.pdf
    • http://mrsalcantara.weebly.com/uploads/1/3/0/6/130604456/130604456.html#best+animation+movie+maker+app+for+android

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000141e.bin
23cfcec4c8216323f035c8ed493441856edba25c915eee2d635658ae49bf48e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x141E 8032 bytes

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