Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0954ed838618f89…

MALICIOUS

PDF

44.4 KB Authoring application: ImageMagick
MD5: 1d04be144ea1dcb7f05817ff6dfd4e7e SHA-1: 3888be75ece73a27290e67464980f1ed1a0b06dd SHA-256: d0954ed838618f8984fe772c5ba09bbac6871a269339158c1e582dae2b3cae56
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm designed to distribute malicious content. ClamAV also detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, further indicating a phishing or traffic redirection scheme. The ML classifier also strongly flagged this PDF as malicious.

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://reliabletrust-translations.com/uploads/1/3/0/2/130270994/a8064f58065.pdf
    • http://ashleyowens.shop/uploads/1/3/0/5/130539637/mugekejedom_sajijo_fonalowofat.pdf
    • https://nofekimusas.weebly.com/uploads/1/3/0/2/130287883/newatenas.pdf
    • http://vipiski-besplatno13.icu/uploads/2020/01/28/4195386.pdf
    • http://mickrokredit.loan/uploads/2020/01/28/zawizagabuz.pdf
    • http://wilizen.tamadanataly.ru/uploads/2020/01/28/e3eaa.pdf
    • http://nuwi.centrmebliv.com/uploads/2020/01/27/serefuxorawigogifot.pdf
    • http://tammyandtommystravels.com/uploads/1/3/0/3/130379316/dadigituxeva_lagiwokifonovar.pdf
    • http://simplycorkie.com/uploads/1/3/0/4/130483153/mumuzeweromige_bitopixijo_rigelewexububur.pdf
    • http://kugamepufa.svet-christa.ru/uploads/2020/01/27/4621634.pdf
    • http://zetowexu.avonbox.ru/uploads/2020/01/28/e272904d86c.pdf
    • http://strengthsgrid.com/uploads/1/3/0/3/130323672/6000926.pdf
    • http://9roundmemphis.com/uploads/1/3/0/4/130483355/666b1189ff73bf1.pdf
    • http://portraits.meliraphoto.com/uploads/1/3/0/5/130548152/130548152.html#descargar+certificado+antecedentes+judiciales+policia+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000015e2.bin
3392a391e89e966de89a57767ccc0acf2a1b9f47d3444c6ea1e2b51331c8b312		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15E2 8992 bytes

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