MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded URLs, with one identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains references to the malicious URL and other benign-looking PDF links, suggesting a link farm or SEO poisoning attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.ru/wb?keyword=poe%20purloined%20letter%20pdf
- http://rovovebo.amosaustralia.org/uploads/1/3/0/7/130738870/5409568.pdf
- http://koveso.clintonpahistory.org/uploads/1/3/1/1/131164077/9817023.pdf
- http://wubelutev.hardawayart.com/uploads/1/3/1/8/131856439/5317154.pdf
- http://files.mariejoseehullcounselling.com/uploads/1/3/2/8/132814387/dowejovomepukovilobo.pdf
- http://files.danamalart.com/uploads/1/3/1/4/131437770/vuzijibiva_weromevuvop.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/d38238_f7b5459d9da846ceb5995a62f8cf0884.pdf
- https://static.usrfiles.com/ugd/1a1092_7033ed09cfc443219585b84c158dabf2.pdf
- https://static.usrfiles.com/ugd/c068f8_30d47d3d5fbb498dac07ebe77db0862c.pdf
- https://static.usrfiles.com/ugd/b8c837_0e273e18c1004126acd85c1c5cee17c8.pdf
- https://static.usrfiles.com/ugd/b444d4_586925db0d004e53a53580af37e7e6c4.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/icao_annex_9.pdf
- https://cdn.shopify.com/s/files/1/0438/4201/1293/files/bativewusigalezaxidi.pdf
- https://cdn.shopify.com/s/files/1/0433/7795/0870/files/female_version_of_earl.pdf
- https://cdn.shopify.com/s/files/1/0437/8483/1134/files/sunshine_coast_daily_fishing_report.pdf
- https://cdn.shopify.com/s/files/1/0434/7317/4693/files/precalculus_algebra_and_trigonometry.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008ee8.bin17786b8e24f15dbadc6db51842670fc3f970e6753fcaaf578731cbed38afbc51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EE8 | 4648 bytes |
font_01_sfnt_off00009ec5.binc4e51bea96ee63c6a8f8cbb3f65cc3b4b0b6cfdddec04a64d8bd5c90772382bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EC5 | 10452 bytes |
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