Malicious PDF — malware analysis report

Static analysis result for SHA-256 f84eb9cce781b231…

MALICIOUS

PDF

31.8 KB Authoring application: pdf-parser
MD5: 75f758b1571d31f7b23efe8eb119436f SHA-1: 8c11377d51b7c222fcdbb4f5c324d09de9bf6061 SHA-256: f84eb9cce781b2316a07661addf0dd049d3cb8fea51c556918dd28c9ada9fc59
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, as detected by the PDF_SEO_LINK_FARM heuristic. This indicates a likely attempt to manipulate search engine results or redirect users to malicious content. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the malicious nature of this file. 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://beyondjordanarise.com/uploads/1/3/0/7/130776726/leposizibogufibemod.pdf
    • http://sidral.org/uploads/1/3/0/7/130738789/lepukus.pdf
    • http://californiaradoncoalition.org/uploads/1/3/0/6/130621995/1f593861480.pdf
    • http://dtailspetboutiquespa.com/uploads/1/3/0/5/130589144/zaluxekusa.pdf
    • http://katherinesiu.com/uploads/1/3/0/2/130272977/jafiwolof.pdf
    • http://southpawspetexpo.ca/uploads/1/3/0/8/130814286/gopoxuvis.pdf
    • http://elizabethfassett.com/uploads/1/3/0/6/130639395/badaka.pdf
    • http://atrsolutions.org/uploads/1/3/0/7/130775692/2448229.pdf
    • http://goingbananas.org/uploads/1/3/0/7/130739706/zivapapuverelinego.pdf
    • http://aquaandlove.com/uploads/1/3/0/6/130604322/xowidezixumimil.pdf
    • http://longislandoverheaddoor.net/uploads/1/3/0/7/130739652/c1e62c5.pdf
    • http://brandonstafford.com/uploads/1/3/0/3/130323301/8993356.pdf
    • http://northshoreindustriesinc.com/uploads/1/3/0/5/130588692/2970070.pdf
    • http://pickleball-germany.net/uploads/1/3/0/2/130271102/9831561bba87.pdf
    • http://jccartstudios.org/uploads/1/3/0/5/130550887/jisur.pdf
    • http://woodlandstuition.com/uploads/1/3/0/6/130621516/130621516.html#multipart%2Fform-data+file+upload

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002016.bin
574a8dfa8a0ade899420bcd7d9328c2d33706d7cd9debdfa7eb319d5883aa9b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2016 8324 bytes

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