Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0e4114c6d7bef9a…

MALICIOUS

PDF

38.2 KB Authoring application: Mobipocket Creator
MD5: acd8f7c1aaf2c20170fa529f593c6a30 SHA-1: 7a5f783dbdcd3d596187895befa283298b3abf6e SHA-256: b0e4114c6d7bef9a9b4375e36d64d8b936ba7aeb8c75a104039f00c96586c482
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body is heavily obfuscated and does not provide clear textual lures.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://capptivatebeacons.com.au/uploads/1/3/0/4/130483386/xuxudexadixeri_nilujegejejetap_sujunemit.pdf
    • http://nolopiu.it/uploads/1/3/0/5/130550760/215095.pdf
    • http://comunidadcapital.com/uploads/1/3/0/7/130740374/nofujaranofilasivilo.pdf
    • http://www.discoveryelectricbikes.com/uploads/1/3/0/7/130740141/pogekegasibad.pdf
    • http://hostmaster.kochstoff.com/uploads/1/3/0/3/130313294/nupis_nukatopuxabosob_vufumarubuzoso.pdf
    • http://thejackedhipster.com/uploads/1/3/0/6/130621055/e0d965214f.pdf
    • http://vintagehomecharleston.com/uploads/1/3/0/6/130639946/vetos_doforefawuru_godumixunux_vokezomuxogipu.pdf
    • http://nprycetest.com/uploads/1/3/0/7/130776027/balor.pdf
    • http://narmermarine.com/uploads/1/3/0/7/130775951/3bce80c5cb8fbc0.pdf
    • http://www.gap.chirogust.be/uploads/1/3/0/7/130738650/6b84c8b331086.pdf
    • http://second-childhood.com/uploads/1/3/0/6/130639115/4468732.pdf
    • http://fkelmusic.com/uploads/1/3/0/9/130969895/a5fbde11c37.pdf
    • http://midwestlegalpartners.com/uploads/1/3/0/4/130477026/zozogota.pdf
    • http://365biztransform.com/uploads/1/3/0/2/130289651/a60302d1.pdf
    • http://padlog.net/uploads/1/3/0/6/130620857/d89b75.pdf
    • http://vahistoryinc.jeffbeatman.com/uploads/1/3/0/7/130738960/403102.pdf
    • http://hostmaster.jokeadins.be/uploads/1/3/0/2/130272420/4673859.pdf
    • http://globalproportions.com/uploads/1/3/0/2/130288419/4250889e.pdf
    • http://www.laesquinita-abq.com/uploads/1/3/0/4/130436089/kofeguxodafi.pdf
    • http://www.oasissprinklerllc.com/uploads/1/3/0/8/130874377/lalumalata-zilavaxovizam-taluxex.pdf
    • http://godlikemedia.com/uploads/1/3/0/7/130738963/wobaf.pdf
    • http://4wys0r.bdgct.com/uploads/1/3/0/3/130379271/130379271.html#merge+to+pdf+in+word
    • http://www.gap.chirogust.be/uploads/1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033cc.bin
9161c92319fbc0ff51c65334992dddc548ceeb4607cbb87a8293e8f99f6218a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33CC 8120 bytes

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