MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
The PDF file contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. One critical heuristic identified a link to a known malicious redirector, and another identified a mass external PDF link farm. The document body contains text related to '4.5 geometry answers' and includes the malicious URLs, suggesting a lure to trick users into clicking on these links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 https://ttraff.link/wix?keyword=4.5+geometry+answers In PDF document text
- http://lidiwetom.pinktuliphotel.com/uploads/1/3/1/4/131438474/5787679.pdfIn PDF document text
- http://files.daisychainkinsale.com/uploads/1/3/2/6/132683014/11d3004c43282.pdfIn PDF document text
- http://jemovu.uvtumbling.com/uploads/1/3/1/6/131637814/4004775fb58b.pdfIn PDF document text
- http://files.sharingthecarecampaign.com/uploads/1/3/0/8/130874524/tirazixatovituxaf.pdfIn PDF document text
- http://files.gailshortwrites.com/uploads/1/3/0/7/130740297/fdee3a93c7.pdfIn PDF document text
- http://files.halifaxrealestateblog.net/uploads/1/3/1/4/131437363/dewakofitora.pdfIn PDF document text
- http://vinanimuv.eltapancocabinetsandmore.com/uploads/1/3/1/4/131437208/jatebatufinisirubi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8759/2608/files/kakexasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2083/7287/files/advanced_algorithms_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/29103986957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5547/1006/files/the_art_of_electronics_reddit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7014/files/clinical_anesthesiology_lange.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/55852451552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0091/2278/files/metabolisme_karbohidrat_protein_lema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9548/8680/files/makeup_salon_games_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7063/6710/files/celebrations_around_the_world_reading_plus_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5815/1070/files/siwuvonujigaveviv.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CFD | 5316 bytes |
SHA-256: 5e5aa44d06ce9279696c60e57003d8fd9457962ba6412a5cf141db6c780311b5 |
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font_01_sfnt_off00006f1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1F | 10164 bytes |
SHA-256: 6f135f57332ac8d139e1b13057b6f226f083a06754c60c7807d75932d648568e |
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font_02_sfnt_off0000922e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x922E | 16072 bytes |
SHA-256: 4ce97752c8d1ed0b0302a1507788019c6b738cc3ee96ca273f61f92c287db7cd |
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