Malicious PDF — malware analysis report

Static analysis result for SHA-256 1157ebaef5a83603…

MALICIOUS

PDF

32.5 KB Authoring application: Adobe PDF Library 9.0
MD5: 1cde8d385ca055f98caebaefbe8f85ee SHA-1: 9bda2dac009db349646fbed81b7faa9ce3a72131 SHA-256: 1157ebaef5a836038211556465a84f68136301ca7ef7c878956c1896a755bc0c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or unwanted content distribution.

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://synergyhairandbeautyelloughton.co.uk/uploads/1/3/0/5/130588268/342b40b7408c.pdf
    • http://www.tramitacion-enlinea.com/uploads/1/3/0/8/130814423/6bed46e920d72.pdf
    • http://forestgraphic.com/uploads/1/3/0/6/130639573/tusumemipimifo.pdf
    • http://ladoniaherald.net/uploads/1/3/0/5/130540352/4569760.pdf
    • http://mikelindenthal.com/uploads/1/3/0/7/130739747/mepofetisibudixu.pdf
    • http://naughtybitssoftware.com/uploads/1/3/0/3/130312944/4586013.pdf
    • http://prouni2022.com/uploads/1/3/0/2/130272330/7aebd.pdf
    • http://misssupremepurityqueen.com/uploads/1/3/0/4/130435846/328340.pdf
    • http://spicyideas.com/uploads/1/3/0/4/130483191/6253108.pdf
    • http://aroundtheworldin80minutes.org/uploads/1/3/0/6/130621061/sufumok.pdf
    • http://cafecontinental.net/uploads/1/3/0/6/130620619/07c9737.pdf
    • http://2apples2oranges.com/uploads/1/3/0/6/130621524/feefa0fe13549.pdf
    • http://mail.whiskeywineandweather.com/uploads/1/3/0/5/130539449/tibisuguxiro-tebodumika.pdf
    • http://knockaroundllc.com/uploads/1/3/0/6/130622012/paxosi-penebosiwedal-duvesevexogipa-kakezepoto.pdf
    • http://pamensa.site/uploads/1/3/0/5/130588966/737559.pdf
    • http://sevenamericanbistro.com/uploads/1/3/0/2/130289652/pojas.pdf
    • http://www.panaderiatlaxcalita.com/uploads/1/3/0/7/130739769/2335490.pdf
    • http://pinnet.net/uploads/1/3/0/7/130739648/5069210.pdf
    • http://softwarehabits.com/uploads/1/3/0/5/130543640/xunejutaber_bepiti_pinav.pdf
    • http://insightmedicine.net/uploads/1/3/0/2/130271047/repimi-fibanapawiwubi-gumedebu.pdf
    • http://themadpotterac.com/uploads/1/3/0/4/130488332/roguwewup.pdf
    • http://xznlz5l3.brdge.org/uploads/1/3/0/6/130620479/130620479.html#precalculus+graphs+of+sine+and+cosine+functions+worksheet+answers

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001fe4.bin
75955bd52f0ff25a6ec8ba29f5066fcc18abe3965780a6893d8584bc136b195b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FE4 7212 bytes

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