MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains embedded URLs that point to a domain associated with malicious activity, specifically a download link for a PDF. The ML classifier flagged this PDF as malicious with a high probability. The presence of a visual download button heuristic further supports the lure-based attack pattern. The primary intent appears to be tricking the user into downloading a file from a suspicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.7459
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=the-story-of-cricket-ladybird-easy-reading-book.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=the-story-of-cricket-ladybird-easy-reading-book.pdfIn PDF document text
- http://www.cleo.net.uk/consultants_resources/sen/cpsbooklist/bllev3.htmIn PDF document text
- https://www.shedloadofgifts.co.uk/gifts-by-occasion/retirement-gifts/retirement-books?sort=2a&view=rowsIn PDF document text
- https://www.notimeforflashcards.com/2013/02/picture-books-that-rhyme.htmlIn PDF document text
- https://ipsum.im/In PDF document text
- https://sherbornehouse.co.uk/In PDF document text
- http://www.camillavalleyfarm.com/books/kbook1.htmIn PDF document text
- http://www.bookpalace.com/acatalog/ArtistsBiographies.htmlIn PDF document text
- http://www.postpals.co.uk/find-pals/In PDF document text
- http://docuwiki.net/index.php?title=Category:BBCIn PDF document text
- http://www.whimsy.org.uk/superstitions.htmlIn PDF document text
- http://www.steamindex.com/backtrak/bt29.htmIn PDF document text
- http://www.weyriver.co.uk/theriver/places_7_guildford_B.htmlIn PDF document text
- http://riverside-resort.net/1/xtremepapers-mathematics-may-june-2000.pdfIn PDF document text
- http://riverside-resort.net/1/your-performing-edge-2nd.pdfIn PDF document text
- http://uncpbisdegree.com/1/textbook-of-diabetic-neuropathy.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-amazon-river-in-a-rain-forest-rivers-around-the-world.pdfIn PDF document text
- http://uncpbisdegree.com/1/summer-life-by-gary-soto-plot-diagram.pdfIn PDF document text
- http://riverside-resort.net/1/volvo-penta-md2-workshop-manual.pdfIn PDF document text
- http://riverside-resort.net/1/volvo-240-instrument-wiring.pdfIn PDF document text
- http://uncpbisdegree.com/1/sep-65-nsw.pdfIn PDF document text
- http://uncpbisdegree.com/1/sunbeam-snb542ucaw-dishwashers-owners-manual.pdfIn PDF document text
- http://riverside-resort.net/1/youre-a-horrible-person-but-i-like-you-the-believer-book-of-advice-eric-spitznagel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.twinkl.co.uk/resource/t3-pe-77-diamond-cricket-rulesIn PDF document text
- http://www.philly.com/philly/archives/In PDF document text
- https://en.wikipedia.org/wiki/Rhinoceros_beetleIn PDF document text
- https://www.telegraph.co.uk/environment/In PDF document text
- http://d.lib.rochester.edu/cinderella/text/pantomime-burlesque-and-childrens-dramaIn PDF document text
- https://www.psychologytoday.com/us/blog/inside-the-box/201402/thinking-outside-the-box-misguided-ideaIn PDF document text
- https://it.wikipedia.org/wiki/EBookIn PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=IT_EN&a=https%3a%2f%2fit.wikipedia.org%2fwiki%2fEBookIn PDF document text
- http://gutenberg.net.au/plusfifty-a-m.htmlIn PDF document text
- http://www.loot.co.za/index/html/index2623.htmlIn PDF document text
- http://www.loot.co.za/index/html/index4234.htmlIn PDF document text
- https://en.wikipedia.org/wiki/List_of_film_director_and_composer_collaborationsIn PDF document text
- https://y.qq.com/In PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=ZH-CHS_EN&a=https%3a%2f%2fy.qq.com%2fIn PDF document text
- https://www.spokeo.com/In PDF document text
- http://www.hmv.co.jp/search/target_SEARCH/type_sr/In PDF document text
- http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=JA_EN&a=http%3a%2f%2fwww.hmv.co.jp%2fsearch%2ftarget_SEARCH%2ftype_sr%2fIn 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_off00005583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5583 | 10460 bytes |
SHA-256: 29e8cdc9d59a6c4afba9a6232e3d927b8827b6cba660b653fafee897ebf47e4b |
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font_01_sfnt_off000076d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D6 | 7300 bytes |
SHA-256: e6e8d5716efdf4f9773a17b17b8694e7fd64ff1152c8909107defa2c259b4166 |
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