MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://midufefew.ru/wix?keyword=i+like+to+play+basketball+in+german PDF link annotation
- https://cdn.sqhk.co/jolodovi/fzByiiE/baneginuvij.pdfIn PDF document text
- https://cdn.sqhk.co/budafitanu/cqhjgdh/limuvexa.pdfIn PDF document text
- https://cdn.sqhk.co/vulasobifow/h93iejg/android_start_activity_animation_bottom_to_top.pdfIn PDF document text
- http://vinadulateg.22web.org/86199470917.pdfIn PDF document text
- https://cdn.sqhk.co/kojetozativ/4rsgfsj/97689078485.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_e8376cbbb09b4f688e44f7ee2e0c68e9.pdf?index=trueIn PDF document text
- https://dfa52777-3edb-460f-9b14-ca5101cd4ecc.filesusr.com/ugd/5360f8_698a02fedf934ca9929f0a54fbcf8e56.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cbef3afc-a93b-4dc7-ad36-ca26c69a0a72/are_athena_and_zeus_related.pdfIn PDF document text
- https://de74b992-0de1-402f-a2cc-438209b178b2.filesusr.com/ugd/2693ef_499b352886cd4acf8b3e979a1d239a5e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5ecf07bd-1a66-497c-8833-dd57c7b6c423/how_much_does_a_pfaff_sewing_machine_cost.pdfIn PDF document text
- https://83372c7a-1065-4b07-8284-b64562b46e84.filesusr.com/ugd/035489_13d3271a78ad4002b3d35901d7c57482.pdf?index=trueIn PDF document text
- https://26bfc7ce-baa4-43a1-9280-72312523cbd3.filesusr.com/ugd/5af86b_7382558d3e5a4d70a716f4b4eff0a86a.pdf?index=trueIn PDF document text
- https://5902ff30-e651-486c-ac37-3e8383bfa78f.filesusr.com/ugd/f35da0_dd4640e66cd1446eabce09c6f065d220.pdf?index=trueIn PDF document text
- https://2ed821ec-8078-4e74-b11b-c5cec6a88262.filesusr.com/ugd/65e777_80d9ac02fb4340e883edf3479aab108d.pdf?index=trueIn PDF document text
- https://e0fa0743-814d-41de-b6a5-47f787911882.filesusr.com/ugd/89d2ef_2b7dbea756404ca7896b98e96e271140.pdf?index=trueIn PDF document text
- http://welevupofaro.rf.gd/how_to_edit_logo_in_photoshop_cc.pdfIn PDF document text
- https://c4647614-9ff8-4b00-b819-08dc938bd166.filesusr.com/ugd/5d3f24_cd27cd7981dc4ad7b900b550b5928483.pdf?index=trueIn PDF document text
- https://574dee49-ee40-4737-ae02-340ce2b26f9d.filesusr.com/ugd/b44cf7_63ecf256c5104d2dbba03dcc75d96be2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6aeeaca0-3474-45c2-aa57-ad5c0a02912c/35888095672.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_off0000dd91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD91 | 5384 bytes |
SHA-256: 6043e10cb3b9c6145ba9554e4fa29697dd1007a5ad38eef5499731e1338dce1b |
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font_01_sfnt_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 12204 bytes |
SHA-256: f40760d84657f0447b0bb1fc5b548ac4c455cd9ac98df4784c9145ee201253f1 |
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