Malicious PDF — malware analysis report

Static analysis result for SHA-256 597539efcf116ae5…

MALICIOUS

PDF

38.3 KB Authoring application: PDFedit
MD5: 6ed76091a901049c2124a8220b96266a SHA-1: 3480b4ec28d93467c02a38f355e42767ae2fc7e6 SHA-256: 597539efcf116ae51345d6086e1607d05324254e893dee426f2d61ae4d2be496
140 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The document body also contains text related to insurance and a phone number, which, combined with the embedded links, suggests a callback phishing or tech-support scam. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

Heuristics 4

  • 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://easlinstitute.org/uploads/1/3/0/5/130589213/3230657.pdf
    • http://strawberryphotos.net/uploads/1/3/0/7/130740325/5066659.pdf
    • http://stalktwit.com/uploads/1/3/0/5/130589194/lubadaxofetizini.pdf
    • http://mindbodsoul.com/uploads/1/3/0/2/130289417/c95bc55b93ef83b.pdf
    • http://plan2succeed.net/uploads/1/3/0/2/130272403/a6b1ed2ccff8.pdf
    • http://theheroinesclub.com/uploads/1/3/0/7/130740123/6983c52.pdf
    • http://scottbrownconsults.com/uploads/1/3/0/4/130488934/689ebf11.pdf
    • http://cuskga.com/uploads/1/3/0/4/130476200/0514a.pdf
    • http://depthstiny.com/uploads/1/3/0/7/130775511/9418992.pdf
    • http://onlineestateagentz.com/uploads/1/3/0/4/130436339/5dbc10258b2c4.pdf
    • http://craigheadcounty4hrabbitclub.com/uploads/1/3/0/7/130775792/biwoloretiw_zuxag_sawosukez.pdf
    • http://hostmaster.eventcow.co.uk/uploads/1/3/0/7/130775666/lobumikifavuju-wibanoratu-fudagub-gililemikubili.pdf
    • http://cattywhompus.net/uploads/1/3/0/3/130379651/zisikunotamel_fikilajuko.pdf
    • http://dalestanford.com/uploads/1/3/0/4/130488503/nidawa.pdf
    • http://www.lluuddoo.be/uploads/1/3/0/8/130814382/a335a3ed.pdf
    • http://new.wojb.org/uploads/1/3/0/3/130379082/9870944.pdf
    • http://www.clikresume.com/uploads/1/3/0/6/130639954/834289.pdf
    • http://secure-building.com/uploads/1/3/0/7/130738637/tesilafidok-favufux-fevogegek-tidevuzamujo.pdf
    • http://drumvoice.org/uploads/1/3/0/5/130588895/jufidixaba.pdf
    • http://think-differently.eu/uploads/1/3/0/6/130604354/175845.pdf
    • http://dentnow-sc.com/uploads/1/3/0/5/130588494/1527356.pdf
    • http://host139.carmichaelnl.com/uploads/1/3/0/5/130588393/130588393.html#aflac+insurance+provider+phone+number
    • http://www.lluu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031ca.bin
48a97a6e2bad6f90cf1dcab3e71626394ce3744d6149af492f8877cc59fb1a16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31CA 9256 bytes

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