Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7056c7ebbb5e4f6…

MALICIOUS

PDF

44.9 KB Authoring application: OpenOffice.org
MD5: 10b5092bb03686bdd5857ddea497fe59 SHA-1: aaf3927ad65869556d6cef7a0452563c7877219a SHA-256: c7056c7ebbb5e4f6ed45197083678f2cf2485cbe644b15d8d4951f1fd17839a2
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body appears to be corrupted or contains irrelevant text, providing no direct clues about the user-facing lure.

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://nationalmasonictrail.com/uploads/1/3/0/5/130539235/garuzi.pdf
    • http://adameslibrary.com/uploads/1/3/0/5/130589227/razojubokeri.pdf
    • http://sassysistersboutique.shop/uploads/1/3/0/3/130324137/nexupeg-relitu.pdf
    • http://chatlabs.ai/uploads/1/3/0/7/130738936/badamumaz_jirawonarogused_fawef.pdf
    • http://portlandmamas.org/uploads/1/3/0/8/130814761/derajibu.pdf
    • http://debzcabello.com/uploads/1/3/0/8/130814063/9883568.pdf
    • http://cesartechnologiesltd.com/uploads/1/3/0/2/130287953/gapumenokabobokix.pdf
    • http://mymaxtax.com/uploads/1/3/0/8/130813747/pusew_vukigekir.pdf
    • http://ilovefatjacks.net/uploads/1/3/0/6/130620928/nobojagivu.pdf
    • http://baobabtreestudio.net/uploads/1/3/0/6/130640197/lugubanojoxotap.pdf
    • http://trevordewitt.me/uploads/1/3/0/6/130621132/1386783.pdf
    • http://www.pat-charles.com/uploads/1/3/0/7/130740178/1209220.pdf
    • http://geniusplaylab.com/uploads/1/3/0/6/130604090/vepolobatapikezolufu.pdf
    • http://mta-sts.mail.trainorstudios.com/uploads/1/3/0/8/130874496/daf1a90ef.pdf
    • http://www.ridgebackenterprisesllc.com/uploads/1/3/0/3/130379132/4633408.pdf
    • http://businesstrainings.org/uploads/1/3/0/5/130547846/6425371.pdf
    • http://bayandiye.com/uploads/1/3/0/6/130639906/zokemekowaferagep.pdf
    • http://mta-sts.mx.cbisociety.org/uploads/1/3/0/3/130313150/lanoliw_xifevudapal.pdf
    • http://frank.bristol.co.nz/uploads/1/3/0/4/130483507/jemizefanu_sugogeve_repof.pdf
    • http://automateforgood.com/uploads/1/3/0/4/130476273/48a4849e7.pdf
    • http://tpccpa.com/uploads/1/3/0/8/130873855/4620663.pdf
    • http://mirrorinyourattic.com/uploads/1/3/0/7/130738721/4708982.pdf
    • http://seastar.websalve.com/uploads/1/3/0/6/130640163/130640163.html#adobe+after+effects+cc+2018+classroom+in+a+book+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c68.bin
d21f3c7b9efabeac99ee9d6921b9d356db128c2522bd909f8a4aedfdb705725a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C68 8604 bytes

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