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 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://vilenefex.ru/strik?utm_term=fiasco+rpg+bgg PDF link annotation
- http://robugipunebib.mygamesonline.org/how_to_start_subaru_ea190v_pressure_washer.pdfIn PDF document text
- https://cdn.sqhk.co/luwesefizi/nuo4gcR/glow_art_drawing_pad.pdfIn PDF document text
- https://cdn.sqhk.co/bamebuxi/5hbjjgj/goledinuxed.pdfIn PDF document text
- http://migipobazu.mypressonline.com/causes_and_effects_of_the_liberian_civil_war.pdfIn PDF document text
- http://vawadofofasip.getenjoyment.net/electrical_power_cable_selection_chart.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0fe5e900-c1a4-4534-8bf2-b79945257a76/how_to_hack_a_furby.pdfIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_24e6192c47eb4c3fa0c0a53e227d75d3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dedinavesute/thanksgiving_phonics_worksheets_for_kindergarten.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a8d9961-465e-4ba2-961c-b2fd2ba2febf/hamilton_beach_roaster_oven_turkey_recipes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/089cc4e0-3ecb-4dbd-a136-f9a6274d7946/who_is_the_killer_in_texas_killing_fields.pdfIn PDF document text
- http://ropupifalapoges.atwebpages.com/wopemim.pdfIn PDF document text
- http://napamewa.atwebpages.com/wimoxenigezixutox.pdfIn PDF document text
- https://s3.amazonaws.com/xotomisen/nys_income_guidelines_for_wic.pdfIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/firefox_47._1.pdfIn PDF document text
- https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_12071112c0714795aec1aae33e3110ca.pdf?index=trueIn PDF document text
- https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_7f4933f27f8f4d1796c2f5f28a3dd5ef.pdf?index=trueIn PDF document text
- https://5a20c861-23fd-468b-888e-078c5342874f.filesusr.com/ugd/924841_9194ec0d66824fc0a59dfa41ab5e498c.pdf?index=trueIn PDF document text
- https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_fdbeede3863c46029241521647cc1296.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zisulamisozoto/kuwadaxaro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d510810-069a-4a8f-ac22-03a3f70fa4b1/what_is_the_theory_of_falsifiability.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/17faf9cf-fdbb-41de-b425-416a562a52c1/how_to_use_crock_pot_express_crock_xl.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_off00011eb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB6 | 5164 bytes |
SHA-256: 75eb47a9e073f890e5167e08eac62df91c16d623c0a6755ab41e1c5adcebf637 |
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font_01_sfnt_off00013053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13053 | 11264 bytes |
SHA-256: 6eb018ad59d09f2c67ae5be5a604d797e0392eb5be21c9f8989d8042a66695dd |
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