Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7f5acfb92cd8bd2…

MALICIOUS

PDF

93.4 KB Created: 2020-05-13 15:00:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: c07f1e5ffeda0677ce6dff0d5cc9f094 SHA-1: 2b2782e95a1fdf418d4b9dbf48b45011833a2097 SHA-256: d7f5acfb92cd8bd26d28490cc2e600d95210b4fffd119ced290496e5bc85760d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was flagged as malicious by an ML classifier and contains a large number of external links, characteristic of a link farm. The document body, though partially corrupted, contains references to technical terms and URLs, suggesting a lure to disguise the malicious intent. The primary attack pattern involves redirecting users to a multitude of external PDF files hosted across various domains, likely for SEO manipulation or to serve further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://theelfbox.com/uploads/1/3/0/6/130604393/130604393.html#transistor+bd139-+16+datasheet
    • http://aqumax.com/uploads/1/3/0/6/130621785/worowivezodiruluxo.pdf
    • http://girlfriendsgodsway.com/uploads/1/3/1/0/131070293/muwidamexunoj-nawofodepepusup.pdf
    • http://michaelshusko.com/uploads/1/3/0/5/130589320/nidokavunibikobuwo.pdf
    • http://lakevillekennel.com/uploads/1/3/0/4/130476272/41a570.pdf
    • http://fidgetspinrehab.com/uploads/1/3/0/5/130541221/62e054e.pdf
    • http://animalwelfareaotearoa.com/uploads/1/3/0/6/130621509/176c211698fdc1.pdf
    • http://powerofmoney.tv/uploads/1/3/0/5/130551653/kinuzele.pdf
    • http://herbalpharming.com/uploads/1/3/0/8/130873975/1407842.pdf
    • http://royelbeats.com/uploads/1/3/1/4/131452963/6922681f610f.pdf
    • http://therotdoctor.com/uploads/1/3/0/2/130270899/wasetukag.pdf
    • http://bluesyoucanuseandmore.com/uploads/1/3/1/4/131408954/3704547.pdf
    • http://kroy-biermann.com/uploads/1/3/0/8/130874097/widisovogazuge_gobufirubesuf.pdf
    • http://offplandubai.properties/uploads/1/3/1/6/131606854/7259854.pdf
    • http://captainspecialtyins.com/uploads/1/3/0/6/130622012/5147217.pdf
    • http://truvstudios.com/uploads/1/3/1/3/131380845/3294289.pdf
    • http://divinesacredbirthing.com/uploads/1/3/0/2/130289565/mekisodemonuxi_kaxipajofo_bogopemeralud_lojimab.pdf
    • http://malonegroupdesign.com/uploads/1/3/0/3/130312913/a130e232fc66.pdf
    • http://tcpipinsmallbusinessnetwork.com/uploads/1/3/0/7/130738739/wetezenulutudufiz.pdf
    • http://everythingzenlife.com/uploads/1/3/0/7/130738716/fofim-wimisibokevu-vizosuxufus-jowuv.pdf
    • http://plumberschenectadyny.net/uploads/1/3/0/7/130775080/c3e86fa70cbadab.pdf
    • http://petvetbelize.com/uploads/1/3/0/6/130604342/7812964.pdf
    • http://changestation.com/uploads/1/3/0/6/130621212/panojelato-gedikuvonavo-nomavizo-womosarekedelip.pdf
    • http://lucette-bijoux.fr/uploads/1/3/0/4/130477152/gazos_simubo.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ec3.bin
405173bd5b5dee49d45beffec9334db62faca5999b75f8a88d7968dc38b93c9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC3 60644 bytes
font_01_sfnt_off00012622.bin
f14444a0d58dd40015cf97ed49e154ad066fb3665ea3c2403447f2552965d6b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12622 12964 bytes
font_02_sfnt_off00014ead.bin
cc6ab1e9a600e4f4b7f5dc4b8e092fb26cc110a908456210c2955b8ccb1b8e8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14EAD 16912 bytes

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