MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file, generated by wkhtmltopdf, contains embedded URLs that mimic a search result for 'trailer connection wiring diagram'. The primary malicious URL, http://uncpbisdegree.com/download3.php?q=trailer-connection-wiring-diagram.pdf, is presented as a direct download link. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. The presence of a visual download button heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9112
Heuristics 4
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Fake 'free download' SEO-poisoning PDF critical PDF_SEO_FAKE_DOWNLOADThe ML classifier flagged this PDF AND it carries a visual download/call-to-action lure AND an off-domain server-side download-gateway link whose query string names a document payload. This three-signal conjunction is the fake-document / 'free PDF download' SEO-poisoning delivery pattern: the page is padded with benign decoy links to dilute classifier scores while funnelling the victim through the gateway to malware/scareware. Acting only on the conjunction keeps benign download-bearing PDFs from being misflagged.
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PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARMPDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Embedded URL info EMBEDDED_URLOne 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://uncpbisdegree.com/download3.php?q=trailer-connection-wiring-diagram.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=trailer-connection-wiring-diagram.pdfIn PDF document text
- http://accessconnect.com/trailer_wiring_diagram.htmIn PDF document text
- http://www.actionoutboards.com/trailerwiringdiagram.pdfIn PDF document text
- http://eyershitch.com/brake-control-wiring.htmlIn PDF document text
- https://bullyusa.com/how-to-wire-trailer-lights-wiring-instructions.htmlIn PDF document text
- http://www.accessconnect.com/tow_bar_wiring.htmIn PDF document text
- https://www.easternmarine.com/Brake-Controllers-Vehicle-Wiring/In PDF document text
- https://www.easternmarine.com/em_store/trailerbrakes/trailerbrakes_ele.htmlIn PDF document text
- https://www.easternmarine.com/Trailer-Wiring-Plugs-Sockets/In PDF document text
- https://www.easternmarine.com/em_store/lightingIn PDF document text
- http://www.gastrailer.com/fuel-trailer/battery-charging-wiring-harness/In PDF document text
- https://www.snappertrailers.com/trailer-options-accessories/In PDF document text
- http://www.autorepairmanuals.biz/product/SK29863In PDF document text
- http://site.drawtite.com/BrakeControlWiring.pdfIn PDF document text
- http://www.vw-resource.com/wiring.htmlIn PDF document text
- http://lakeshoreimages.com/trailer.htmlIn PDF document text
- http://www.custom-choppers-guide.com/custom-chopper-wiring.htmlIn PDF document text
- https://gnomadhome.com/van-build-solar-electrical-wiring/In PDF document text
- http://www.offroaders.com/cheap-tricks/wiring-tips-using-relays/In PDF document text
- http://www.offroaders.com/topics/cheap-tricks/In PDF document text
- http://www.ssbtractor.com/wwwboard/messages5/In PDF document text
- http://riverside-resort.net/1/vetus-m2-d5-service-manual.pdfIn PDF document text
- http://uncpbisdegree.com/1/spelling-practice-book-grade-5-answer-key.pdfIn PDF document text
- http://uncpbisdegree.com/1/siswati-november-exam-paper2-grade11-2018.pdfIn PDF document text
- http://uncpbisdegree.com/1/summary-of-poppie.pdfIn PDF document text
- http://riverside-resort.net/1/workers-in-the-dawn-annotated.pdfIn PDF document text
- http://uncpbisdegree.com/1/thanatopsis-answers.pdfIn PDF document text
- http://riverside-resort.net/1/vampire-knight-vol-5-matsuri-hino.pdfIn PDF document text
- http://uncpbisdegree.com/1/status-in-classical-athens.pdfIn PDF document text
- http://uncpbisdegree.com/1/talk-sweetly-to-me-brothers-sinister-45-courtney-milan.pdfIn PDF document text
- http://riverside-resort.net/1/wiring-cruise-control-jetta-1997.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.etrailer.com/faq-wiring.aspxIn PDF document text
- https://www.etrailer.com/Wiring/Tow-Ready/30717.htmlIn PDF document text
- https://en.wikipedia.org/wiki/Trailer_Connector/North_AmericaIn PDF document text
- https://en.wikipedia.org/wiki/Trailer_Connector/ISOIn PDF document text
- https://www.amazon.com/MaxxHaul-70205-12V-Trailer-Light/dp/B008CE0W5YIn PDF document text
- https://www.amazon.com/RV-Lighting/b?ie=UTF8&node=2504396011In PDF document text
- https://www.amazon.com/RV-Exterior-Lighting/b?ie=UTF8&node=11439429011In PDF document text
- https://www.tacomaworld.com/threads/2016-tacoma-rear-bumper-assembly-diagram.425450/In PDF document text
- https://www.tacomaworld.com/forums/3rd-gen-tacomas-2016.186/In PDF document text
- http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409In PDF document text
- https://go.microsoft.com/fwlink/?linkid=868922In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409In PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617297In PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D7F | 10492 bytes |
SHA-256: be931330c7ccbc9ade7235d566e68f7734ef9f62e8f212e06fe1c06bc129d8d0 |
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font_01_sfnt_off00006edf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EDF | 6692 bytes |
SHA-256: 7984d44d1bbbc7a4dccbc198d0e5c003f20a2f949d69433a0ecaf520051a9bdf |
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