MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by an ML classifier as malicious. It contains embedded URIs pointing to external resources, specifically 'http://uncpbisdegree.com/download3.php?q=superhero-christian-theme.pdf' and 'http://uncpbisdegree.com/download4.php?q=superhero-christian-theme.pdf'. The presence of a visual download button heuristic further supports the attack pattern of luring the user to download content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9340
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=superhero-christian-theme.pdf In PDF document text
- http://uncpbisdegree.com/download4.php?q=superhero-christian-theme.pdfIn PDF document text
- http://www.superheronation.com/2011/12/18/cliches-in-superhero-stories/In PDF document text
- http://www.superheronation.com/2008/01/05/8-common-problems-with-psychic-superheroes/In PDF document text
- https://calvaryknights.com/calvary-christian-school-summer-camp-announced/In PDF document text
- http://romanfitnesssystems.com/articles/super-hero-workout-revealed/In PDF document text
- http://uncpbisdegree.com/1/shylock-is-shakespeare-annotated-edition.pdfIn PDF document text
- http://riverside-resort.net/1/vw-passat-b5-repair-manual.pdfIn PDF document text
- http://uncpbisdegree.com/1/switzerland-government-website.pdfIn PDF document text
- http://uncpbisdegree.com/1/swan-point-sherryl-woods.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-first-chinese-american-the-remarkable-life-of-wong-chin-foo.pdfIn PDF document text
- http://uncpbisdegree.com/1/spanish-2-expresate-final-exam.pdfIn PDF document text
- http://riverside-resort.net/1/wave-actions-stephen-murray-answer.pdfIn PDF document text
- http://riverside-resort.net/1/young-shakespeares-young-hamlet-print-piracy-and-performance-history-of-text-technologies.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-best-of-betjeman.pdfIn PDF document text
- http://riverside-resort.net/1/variance-analysis-excel-spreadsheets.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.vulture.com/article/best-superhero-movies.htmlIn PDF document text
- http://screencrush.com/best-superhero-movies/In PDF document text
- https://www.forbes.com/sites/lukethompson/2018/03/01/diversity-and-black-panther-are-the-antidotes-to-superhero-fatigue/In PDF document text
- https://www.sporcle.com/games/g/christiandenominationsIn PDF document text
- https://en.wikipedia.org/wiki/List_of_apocalyptic_filmsIn PDF document text
- http://ew.com/books/best-comics-2017/In PDF document text
- https://en.wikipedia.org/wiki/List_of_fictional_JewsIn PDF document text
- https://www.cnn.com/2018/02/10/africa/buzz-around-black-panther-in-africa/index.htmlIn PDF document text
- https://screenrant.com/new-wolverine-x-23-comic-mistake/In PDF document text
- http://www.dailymail.co.uk/tvshowbiz/article-5224211/Jodie-Foster-slams-superhero-movies.htmlIn PDF document text
- http://www.orientaltrading.com/princess-a1-90000+1307-1.fltrIn PDF document text
- https://screenrant.com/universal-studios-orlando-fourth-theme-park/In PDF document text
- http://www.orientaltrading.com/casino-night-a1-90000+1271-1.fltrIn PDF document text
- https://www.rottentomatoes.com/m/black_panther_2018/In PDF document text
- http://tvtropes.org/pmwiki/pmwiki.php/Main/RealSongThemeTuneIn 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_off00004522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4522 | 10064 bytes |
SHA-256: 72591be31606739d32bc4fa7487250be1ce180c31ea2735d71097262f4892a01 |
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font_01_sfnt_off0000653c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x653C | 6768 bytes |
SHA-256: 7cd7efb838c8d30c340111a3a3f4cf0e664fab8617d3fca8e6bbe7a411378f08 |
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