MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to disposable hosting and redirector infrastructure, indicating a link farm designed to lead users to malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector link further supports this assessment. The document's content appears to be a lure, possibly related to search engine optimization or fake file downloads.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.com/wb?keyword=juki%20ddl-8700%20parts%20manual In PDF document text
- http://files.newhopemovement.org/uploads/1/3/1/6/131606550/4977634.pdfIn PDF document text
- http://files.publichealthmuseum.org/uploads/1/3/1/3/131384789/a826b1b39.pdfIn PDF document text
- http://files.kamiperformanceworks.com/uploads/1/3/0/8/130813558/fubezofetifi.pdfIn PDF document text
- http://files.hernandezsanchezgroup.org/uploads/1/3/1/4/131437778/9066.pdfIn PDF document text
- http://files.aumbience.net/uploads/1/3/1/0/131070895/34cd94.pdfIn PDF document text
- http://files.camera1.ca/uploads/1/3/1/3/131380413/pizixejawij.pdfIn PDF document text
- http://files.sisterspiritwomensharingspirituality.org/uploads/1/3/2/8/132815154/58853863.pdfIn PDF document text
- http://files.ataraxiaphotography.com/uploads/1/3/1/4/131455883/jazozixure.pdfIn PDF document text
- http://files.andrewveivers.com/uploads/1/3/2/3/132302924/3223912.pdfIn PDF document text
- http://files.stonefoxfeather.com/uploads/1/3/1/6/131606395/2308440.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kosupapa.files.wordpress.com/2020/07/xosukixu.pdfIn PDF document text
- https://fiwojinugir.files.wordpress.com/2020/07/95813769861.pdfIn PDF document text
- https://devowage.files.wordpress.com/2020/06/robajirasat.pdfIn PDF document text
- https://pewinutol.files.wordpress.com/2020/06/nagosevufuxaletikigazir.pdfIn PDF document text
- https://turimofusi.files.wordpress.com/2020/07/xezivosuxawosunenidil.pdfIn PDF document text
- https://zigonafi.files.wordpress.com/2020/07/35716067107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xiguxalenagidofivixonagez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13908697451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/texirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pesaveput.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007616.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7616 | 5260 bytes |
SHA-256: 987321d262c75092f598baf94f28fb571c4c3a65d13a3d7487928024e7e637ff |
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font_01_sfnt_off000087d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87D2 | 10704 bytes |
SHA-256: 8331344503cfa828c598cac4eb251d17066cc0333cb40249ac278f7367410771 |
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