MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file contains embedded URLs that mimic legitimate installation guides, but point to suspicious domains. The ML classifier flagged this PDF as malicious with high confidence. The presence of a visual download button further supports the lure, suggesting the document's primary purpose is to trick the user into downloading a secondary payload from the identified URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9123
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=x3650-m4-installation-guide.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=x3650-m4-installation-guide.pdfIn PDF document text
- https://lenovopress.com/tips0850-system-x3650-m4-e5-2600-v2In PDF document text
- https://lenovopress.com/lp0039-system-x3650-m4-e5-2600In PDF document text
- https://www.istoragenetworks.com/landings/IBM_Storage/ds3500.phpIn PDF document text
- https://www.virten.net/2015/03/vmware-esxi-6-0-unsupported-hardware/In PDF document text
- https://www.sillworks.com/quickspecs_proliant_DL380pG8.phpIn PDF document text
- http://riverside-resort.net/1/the-plays-of-george-etherege.pdfIn PDF document text
- http://riverside-resort.net/1/sonoace-x4-user-manual.pdfIn PDF document text
- http://riverside-resort.net/1/the-collected-poems-of-lvaro-de-campos-vol-2-19281935-chris-daniels.pdfIn PDF document text
- http://riverside-resort.net/1/teach-me-xxx-3.pdfIn PDF document text
- http://riverside-resort.net/1/toastmaster-tbr2-user-guide.pdfIn PDF document text
- http://riverside-resort.net/1/this-food-that-wine-wine-and-food-pairing-made-easy.pdfIn PDF document text
- http://riverside-resort.net/1/the-influence-of-faith.pdfIn PDF document text
- http://riverside-resort.net/1/the-holy-spirit-preaching.pdfIn PDF document text
- http://riverside-resort.net/1/thomas-finney-solution.pdfIn PDF document text
- http://riverside-resort.net/1/serway-jewett-physics-for-scientists-engineers-solution-manual.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.manualslib.com/manual/515309/Ibm-System-X3650-M4-Type-7915.htmlIn PDF document text
- https://www.manualslib.com/brand/ibm/server.htmlIn PDF document text
- https://www.manualslib.com/products/Ibm-System-X3650-M4-Type-7915-2939030.htmlIn PDF document text
- https://www.manualslib.com/manual/1138837/Ibm-X3650-M3.htmlIn PDF document text
- https://www.manualslib.com/brand/ibm/In PDF document text
- https://www.manualslib.com/products/Ibm-System-X3650-M3-4255-1882451.htmlIn PDF document text
- http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&htmlfid=897/ENUS106-379In PDF document text
- http://love-zzang.tistory.com/entry/BIOSRAIDIn PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=KO_EN&a=http%3a%2f%2flove-zzang.tistory.com%2fentry%2fBIOSRAIDIn PDF document text
- https://www.ibm.com/support/home/docdisplay?lndocid=MIGR-5094163#In PDF document text
- https://support.lenovo.com/us/en/solutions/lnvo-sg2012In 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_off0000431b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x431B | 10968 bytes |
SHA-256: b476967433618461bab6623887d1cc6dd5fb347d641cffdc4a67f3285cb98947 |
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font_01_sfnt_off000065bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65BC | 8180 bytes |
SHA-256: 4e8351a300c17207d19168d28da605bb40f819577ae61d4b245e16e7a41ecfa9 |
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