MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains embedded URLs that point to suspicious download locations, suggesting it is a lure for downloading a malicious payload. The ML classifier also flagged this PDF as malicious. The document body and heuristics indicate a social engineering attempt to trick the user into downloading a file disguised as 'cheats' for a business simulation, which is a common tactic for distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.6445
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=virtual-business-knowledge-matters-cheats.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=virtual-business-knowledge-matters-cheats.pdfIn PDF document text
- https://knowledgematters.com/blog/virtual-business-challenge-hintsIn PDF document text
- https://knowledgematters.com/In PDF document text
- https://knowledgematters.com/highschoolIn PDF document text
- https://knowledgematters.com/collegeIn PDF document text
- https://knowledgematters.com/highschool/personal-financeIn PDF document text
- https://knowledgematters.com/highschool/competitions/decaIn PDF document text
- https://knowledgematters.com/blogIn PDF document text
- https://knowledgematters.com/about/pressIn PDF document text
- http://vsitours.com/virtual-business-knowledge-matters-cheats/In PDF document text
- http://pdfsdirpp.com/download/knowledge-matters-virtual-business-cheats.pdfIn PDF document text
- http://toweko.de/knowledge/matters/knowledge_matters_virtual_business_cheats.pdfIn PDF document text
- http://xdanek.de/knowledge/matters/knowledge_matters_virtual_business_cheats.pdfIn PDF document text
- http://cnclan.de/knowledge/matters/knowledge_matters_virtual_business_personal_finance_cheats.pdfIn PDF document text
- http://uncpbisdegree.com/1/world-of-insects-word-search-answers-key.pdfIn PDF document text
- http://uncpbisdegree.com/1/wiper-relay-wiring-mazda-626.pdfIn PDF document text
- http://uncpbisdegree.com/1/world-of-business-5th-edition-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/top-computer-science-journals.pdfIn PDF document text
- http://uncpbisdegree.com/1/uscis-citizenship-100-questions-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/vista-practice-management.pdfIn PDF document text
- http://uncpbisdegree.com/1/travelling-hopefully.pdfIn PDF document text
- http://uncpbisdegree.com/1/walmart-price-match-after-purchase.pdfIn PDF document text
- http://uncpbisdegree.com/1/what-were-the-top-5-causes-of-the-civil-war.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-narrowboat-lad.pdfIn PDF document text
- https://knowledgematters.comIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.youtube.com/watch?v=BUQbwxWMmgoIn PDF document text
- http://go.microsoft.com/fwlink/?LinkID=617350In 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_off0000708d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x708D | 14708 bytes |
SHA-256: 20cd37eb19c5e8d8134d8b98db8092df79749e84a45a48487f8c8ff25c1d04ae |
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font_01_sfnt_off00009d9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D9A | 8888 bytes |
SHA-256: 97ceab9a1828338d6163be2f52e1c55665b25b74cb49651c99a9393ee2ba68a0 |
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