Malicious PDF — malware analysis report

Static analysis result for SHA-256 aacf6b514824952c…

MALICIOUS

PDF

37.1 KB Authoring application: Adobe PDF Library 9.0
MD5: 8ba5c5196ae3da11609e5191af10db93 SHA-1: e26baaaa0c691ee51efa9874c8346b98da07994e SHA-256: aacf6b514824952cd39f4e8d203e4c9ca574fa3be3eae2e54180879b872cce30
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 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports its malicious nature. The primary attack pattern involves directing users to a multitude of external PDF documents hosted on various domains, likely for SEO poisoning or to serve as a distribution point for further malicious payloads.

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://www.the-ship-app.com/uploads/1/3/0/7/130775228/dec38c560066.pdf
    • http://christopherjordanclothingco.com/uploads/1/3/0/7/130738501/gawoxazif.pdf
    • http://xp-streich.com/uploads/1/3/0/7/130739415/fekulimib.pdf
    • http://milescan.com/uploads/1/3/0/5/130590384/femumiximirogep_gugakema_latojim_figurad.pdf
    • http://cloudable.life/uploads/1/3/0/7/130739829/7603051.pdf
    • http://natalieunisexandbarbershop.com/uploads/1/3/0/5/130589147/9a810df2625d39.pdf
    • http://jkconceptualart.com/uploads/1/3/0/3/130323236/1596354.pdf
    • http://alisonlawrence.com/uploads/1/3/0/5/130546290/xexapakowatav.pdf
    • http://www.formartinecommunitycouncils.co.uk/uploads/1/3/0/7/130738837/wogirasamukebap.pdf
    • http://kaddllc.com/uploads/1/3/0/9/130969763/1205864.pdf
    • http://kurokobrothers.com/uploads/1/3/0/4/130436204/rigav-vuxap-vubixa.pdf
    • http://prideofliars.net/uploads/1/3/0/7/130775456/f8ed78.pdf
    • http://mta-sts.mail.activitylead.com/uploads/1/3/0/3/130323900/020a6350c6740.pdf
    • http://suvivendelin.com/uploads/1/3/0/6/130639305/virufetifa.pdf
    • http://massagebymallory.com/uploads/1/3/0/6/130639785/8015485.pdf
    • http://nuezdejabon.site/uploads/1/3/0/6/130604625/889964.pdf
    • http://janorkyproperties.com/uploads/1/3/0/7/130738497/3833245.pdf
    • http://actamsea.org/uploads/1/3/0/3/130379060/kujun.pdf
    • http://yinghuangguojiyulehuisuotu.br3h.com/uploads/1/3/0/2/130287302/130287302.html#international+auditing+standards+pdf+2019

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034ae.bin
91400759973db7016e04c78491d48eec9c4a526a9a50f477ef21d35029097cab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34AE 7428 bytes

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