MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF is flagged as malicious by an ML classifier and uses SEO poisoning to appear as a free download for a popular comic. The embedded URLs, such as http://uncpbisdegree.com/download3.php?q=the-flash-comic-book-free.pdf, likely serve as a gateway to a malicious payload or exploit. The presence of cracked software links further supports a malicious intent, aiming to trick users into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.8978
Heuristics 5
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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 link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LUREPDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. 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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External URI info PDF_URIPDF contains an external URL action
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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-flash-comic-book-free.pdf PDF link annotation
- http://uncpbisdegree.com/download4.php?q=the-flash-comic-book-free.pdfIn PDF document text
- https://comicbookrealm.com/In PDF document text
- http://www.stylinonline.com/comics.htmlIn PDF document text
- http://www.stylinonline.com/shop-by-category.htmlIn PDF document text
- https://comicbookinvest.com/In PDF document text
- https://www.messforless.net/make-your-own-comic-book-free-printable-comic/In PDF document text
- http://www.comiccollecting.org/In PDF document text
- http://www.lorencollins.net/freecomic/In PDF document text
- http://www.torontocomicbookshow.com/In PDF document text
- http://www.diamondcomics.com/In PDF document text
- http://uncpbisdegree.com/1/the-doctors-whos-who-the-story-behind-every-face-of-the-iconic-time-lord-dr-who.pdfIn PDF document text
- http://uncpbisdegree.com/1/student-solutions-manual-for-winston39.pdfIn PDF document text
- http://riverside-resort.net/1/when-beauty-tamed-the-beast.pdfIn PDF document text
- http://riverside-resort.net/1/what-did-erin-brockovich-do.pdfIn PDF document text
- http://riverside-resort.net/1/wassce-2015-inter-science-question-and-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/straight-talk-motorola-w418g.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-i-am-principle.pdfIn PDF document text
- http://riverside-resort.net/1/water-resources-engineering-chin.pdfIn PDF document text
- http://riverside-resort.net/1/world-cultures-a-global-mosaic-answers.pdfIn PDF document text
- http://riverside-resort.net/1/women-laws-and-judicial-pronouncements.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://en.wikipedia.org/wiki/Comic_bookIn PDF document text
- https://screenrant.com/free-comic-book-day-2018-titles-list/In PDF document text
- http://www.ign.com/articles/2018/04/25/everything-available-for-free-comic-book-day-2018In PDF document text
- https://www.dccomics.com/comicsIn PDF document text
- https://www.cbr.com/free-comic-book-day-2018-full-lineup-comics/In PDF document text
- http://tvtropes.org/pmwiki/pmwiki.php/ComicBook/DCRebirthIn PDF document text
- https://www.ebay.com/gdsIn PDF document text
- https://www.mycomicshop.com/advancedsearchIn PDF document text
- http://www.cracked.com/blog/4-comic-book-fan-theories-way-cooler-than-comic-book/In PDF document text
- http://www.cracked.com/blog/In PDF document text
- http://www.cracked.com/humor-videos-extras.htmlIn 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://en.wikipedia.org/wiki/The_Flash_In 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_off0000484e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x484E | 10868 bytes |
SHA-256: 528a080c2a55b516cd8f0ab458000917d89ebcdc6420e68b4acf76eb01933425 |
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font_01_sfnt_off00006a99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A99 | 6896 bytes |
SHA-256: 2923f49e2a6f5454897703926c5703c3edf3b5ac86eabbff4541d79c92922180 |
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