MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains multiple embedded URLs pointing to domains that host what appears to be an academic packet, likely a lure. The heuristic 'PDF_SEO_FAKE_DOWNLOAD' strongly indicates this is a fake download page designed to trick users into downloading a malicious file. The ML classifier also flagged this PDF as malicious, supporting the conclusion that it is part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.6828
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=sponges-cnidarians-and-ctenophores-packet-answers.pdf PDF link annotation
- http://uncpbisdegree.com/download4.php?q=sponges-cnidarians-and-ctenophores-packet-answers.pdfIn PDF document text
- http://uncpbisdegree.com/download/sponges-and-cnidarians-answer-key-packet.pdfIn PDF document text
- http://cewede.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://meinrc.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://kesama.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://jeschu.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://elcash.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://www.rejaneimoveis.com/reads-online/sponges-cnidarians-and-ctenophores-packet-answers.pdfIn PDF document text
- http://habmut.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://habahe.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://carwashcolorado.net/file/sponges-cnidarians-and-ctenophores-packet-answers.pdfIn PDF document text
- http://aporad.de/sponges/cnidarians/sponges_cnidarians_and_ctenophores_packet_answers.pdfIn PDF document text
- http://wixbox.de/modern/biology/modern_biology_sponges_cnidarians_and_ctenophores_answers.pdfIn PDF document text
- http://riverside-resort.net/1/un-anno-sullaltipiano-emilio-lussu.pdfIn PDF document text
- http://riverside-resort.net/1/single-blind-review.pdfIn PDF document text
- http://riverside-resort.net/1/uace-uneb-past-papers.pdfIn PDF document text
- http://riverside-resort.net/1/the-illustrated-history-of-oxford-university.pdfIn PDF document text
- http://riverside-resort.net/1/the-runner-christopher-reich.pdfIn PDF document text
- http://riverside-resort.net/1/spreadsheet-modeling-and-decision-analysis-6th-edition-solution.pdfIn PDF document text
- http://riverside-resort.net/1/sistemas-expertos.pdfIn PDF document text
- http://riverside-resort.net/1/the-world-beyond-your-walls-a-manual-for-mobilizing-your-church-in-missions.pdfIn PDF document text
- http://riverside-resort.net/1/the-world-in-infographics-countries.pdfIn PDF document text
- http://riverside-resort.net/1/six-flags-great-america-scavenger-hunt-answers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off00007931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7931 | 13404 bytes |
SHA-256: e2f8d8c975706e23112da2dbea795a1b71270a69b7323ef4c2e142506a45845b |
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font_01_sfnt_off0000a2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2A0 | 8248 bytes |
SHA-256: a5329c4f2051898b44e8a0fc1f927bd2a56ce32dca04e48d275e2065d1ea1dd2 |
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