Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5fb9b8cdbc839f3…

MALICIOUS

PDF

48.7 KB Authoring application: Solid Converter PDF
MD5: 82d1250924a92d248dd7723296c4d274 SHA-1: af1415cb4029d81758eb06cc05915698f28c32b7 SHA-256: a5fb9b8cdbc839f376bd247d7a768772f65f4af9af563cd6cd3b377bfedb2f19
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, indicating a link farm designed to redirect users to malicious content. The ClamAV heuristic specifically identifies this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', suggesting a phishing or traffic redirection scheme. The embedded URLs are likely used to distribute further malware or phishing pages.

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://tomlinsonoutdoors.com/uploads/1/3/0/6/130605393/gerokedolak.pdf
    • http://sylvainladouceur.com/uploads/1/3/0/4/130483863/voboboxulo-mujadisopot.pdf
    • http://mychicagorides.com/uploads/1/3/0/6/130640031/vopukir_vobazuk_bofexapisulevok_ripij.pdf
    • http://durhamyouthprograms.org/uploads/1/3/0/2/130291555/5630953.pdf
    • http://minursespac.com/uploads/1/3/0/6/130604098/vataware-fatekunupep-xumad-zalebexazidujef.pdf
    • http://sagelandsmusic.com/uploads/1/3/0/7/130775116/778602.pdf
    • http://sweet-southern-sass-mobile-boutique.com/uploads/1/3/0/4/130483868/fekitobarifozenub.pdf
    • http://chromationspec.com/uploads/1/3/0/4/130435711/kidomukinaji.pdf
    • http://jofozopawe.onlineevents.tech/uploads/2020/01/28/pidipexigalegirepew.pdf
    • http://nesteam.co.il/uploads/1/3/0/5/130546432/zazutitebib.pdf
    • http://painfuljoint.org/uploads/1/3/0/6/130621011/8010634.pdf
    • http://kateblackspence.weebly.com/uploads/1/3/0/4/130488530/e894fc8e1d1d.pdf
    • http://drpatty.net/uploads/1/3/0/5/130588606/130588606.html#battery+saver+for+dell+laptop

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013d7.bin
e9948c59d5e88a84046fbbdf03a1b8128fb751c6d8503af1be6c3c1e7eb566a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13D7 8908 bytes

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