MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document was flagged by a machine learning classifier and heuristics indicate it is a fake download lure using SEO poisoning. The document body contains multiple URLs pointing to external resources, likely intended to trick the user into downloading a malicious payload. The primary attack vector appears to be social engineering to facilitate user execution of a malicious file.
Machine Learning
- Nyx PDF Classifier malicious score 0.8643
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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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=undachtigr-lebens-wandel-und-stanislai-kostka.pdf PDF link annotation
- http://uncpbisdegree.com/download4.php?q=undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://www.androinnokia.com/reads-online/undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://drcool.de/undachtigr/lebens/undachtigr_lebens_wandel_und_stanislai_kostka.pdfIn PDF document text
- http://www.rambahadursinghcollege.com/reads-online/undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://www.papercdn.com/reads-online/undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://www.exearn.net/doc/pdf/archive/undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://openminds.solutions/undachtigr/lebens/undachtigr_lebens_wandel_und_stanislai_kostka_.pdfIn PDF document text
- http://www.kitchenideass.com/u/l/undachtigr-lebens-wandel-und-stanislai-kostka.pdfIn PDF document text
- http://riekko.de/undachtigr/lebens/undachtigr_lebens_wandel_und_stanislai_kostka.pdfIn PDF document text
- http://uncpbisdegree.com/1/speaking-truth-in-love-counsel-community-david-a-powlison.pdfIn PDF document text
- http://riverside-resort.net/1/zealots-of-masada-story-of-a-dig.pdfIn PDF document text
- http://riverside-resort.net/1/workshop-book-for-engineering.pdfIn PDF document text
- http://uncpbisdegree.com/1/self-reflexive.pdfIn PDF document text
- http://riverside-resort.net/1/visiting-card-design-logo.pdfIn PDF document text
- http://uncpbisdegree.com/1/ski-doo-safari-parts-diagram.pdfIn PDF document text
- http://uncpbisdegree.com/1/the-journal-of-john-wesley-enhanced-version.pdfIn PDF document text
- http://uncpbisdegree.com/1/short-stories-questions-and-answers.pdfIn PDF document text
- http://uncpbisdegree.com/1/surface-area-of-a-prisms-and-cylinders.pdfIn PDF document text
- http://uncpbisdegree.com/1/simpsons-comic-book.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://www.amazon.com/Undachtigr-Lebens-wandel-Stanislai-Kostka-German/dp/1286109108In PDF document text
- https://www.amazon.com/books-used-books-textbooks/b?ie=UTF8&node=283155In PDF document text
- https://www.amazon.com/History-Books/b?ie=UTF8&node=9In PDF document text
- https://www.amazon.com/Europe-History-Books/b?ie=UTF8&node=4935In PDF document text
- https://core.ac.uk/display/63314246In PDF document text
- https://www.amazon.in/Undachtigr-Lebens-Wandel-Stanislai-Kostka/dp/1286109108In PDF document text
- https://www.amazon.es/Undachtigr-Lebens-wandel-Stanislai-Kostka/dp/1286109108In 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://www.amazon.in/Undachtigr-Lebens-Wandel-Stanislai-Kostka/dp/In PDF document text
- https://www.amazon.es/Undachtigr-Lebens-wandel-Stanislai-Kostka/dp/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_off000067b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B3 | 14364 bytes |
SHA-256: dad11303165f24c42044deedf6cc1916fb4cbeeaab21102326b4eee71badf18b |
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font_01_sfnt_off000092d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92D8 | 7992 bytes |
SHA-256: 204ebd564cc98b45edfe416d8f2c227fea104072da3499af5c221b9e085df1ad |
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