Malicious PDF — malware analysis report

Static analysis result for SHA-256 23df468a71a2e9f7…

MALICIOUS

PDF

43.1 KB Authoring application: QPDF
MD5: 4471d22dd1b633663fd7842fa53a3b5e SHA-1: 83d081bb50eb87ff56d0d620cad8b46be3801f1a SHA-256: 23df468a71a2e9f758ec555e0a94a1e94997852cbf325ea6553eede2684cc297
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 indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a coordinated effort to distribute malicious content or conduct phishing. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. The document body text is heavily corrupted and does not provide further context on the specific lure.

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://atwatervillagepsych.com/uploads/1/3/0/6/130621800/4046283.pdf
    • http://www.playdatesforkids.com/uploads/1/3/0/2/130272414/tinolatisaxesadese.pdf
    • http://jeepsandjeeps.com/uploads/1/3/0/9/130969148/9729512.pdf
    • http://www.mycottagecollections.com/uploads/1/3/0/3/130379181/5d66b.pdf
    • http://tradingpinshub.com/uploads/1/3/0/7/130740618/gulujaz.pdf
    • http://alexejlovesmani.com/uploads/1/3/0/9/130969415/tikid.pdf
    • http://prasinoagistri.com/uploads/1/3/0/7/130738633/2435281.pdf
    • http://nbaradioshow.com/uploads/1/3/0/6/130621361/fijokefiruwana-kenepopi-vewid.pdf
    • http://dbmaintenanceservices.com/uploads/1/3/0/5/130589205/2d143a2.pdf
    • http://sitesillustrated.com/uploads/1/3/0/5/130540746/7652e051.pdf
    • http://biobornayurveda.com/uploads/1/3/0/2/130272362/tazarelozifo_mukusuxuxa.pdf
    • http://greenearthteen.com/uploads/1/3/0/4/130435743/74a41d5e5b8184.pdf
    • http://rooseveltconservancy.org/uploads/1/3/0/5/130550812/bb8b0.pdf
    • http://happylandscapes.co.uk/uploads/1/3/0/5/130589044/707fd0f9940977.pdf
    • http://hankrobb.org/uploads/1/3/0/3/130313564/fosigasanosesup.pdf
    • http://girlboss50.com/uploads/1/3/0/5/130551727/buxukan_didibebura.pdf
    • http://tccstories.com/uploads/1/3/0/2/130289254/f7cade1be458.pdf
    • http://evercorecapital.com/uploads/1/3/0/4/130489800/zagaxum.pdf
    • http://milesoftraining.com/uploads/1/3/0/9/130969825/varir-pijuke-lumidinetekob.pdf
    • http://missionboostconsulting.com/uploads/1/3/0/5/130539768/71dceab5203971.pdf
    • http://outsiderartauction.com/uploads/1/3/0/4/130476145/95fb648d88.pdf
    • http://www.d12th.com/uploads/1/3/0/2/130271232/7343689.pdf
    • http://www.khamoshiarts.com/uploads/1/3/0/2/130289443/xakagoguxodotara.pdf
    • http://mymoneyways.com/uploads/1/3/0/2/130288453/ligisesejemekumaw.pdf
    • http://alfredspace.com/uploads/1/3/0/5/130551429/710fa1d26d46a42.pdf
    • http://mtj7z.bpmtc.com/uploads/1/3/0/6/130604672/130604672.html#books+and+authors+2018+pdf+in+telugu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000043ec.bin
aa51d8b962b443fc8b13a991dac09e1eb37bca1c79202633a997ae4d4d1d8352		 pdf-font-stream PDF embedded font (sfnt) at offset 0x43EC 8140 bytes

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