MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, and contains a significant number of external links, many pointing to disposable hosting. The PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicate a pattern of creating link farms for SEO purposes, which can be used to distribute malware or phishing content. While no scripts were extracted, the presence of numerous external links suggests a potential for redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://zajinet.ru/strik?utm_term=how+to+setup+bluetooth+mouse+on+mac+without+mouse PDF link annotation
- http://kivolugog.mypressonline.com/operation_of_cathode_ray_tube.pdfIn PDF document text
- http://towufato.mywebcommunity.org/24871612448.pdfIn PDF document text
- http://xuxuxib.iblogger.org/temario_auxilio_judicial_2020.pdfIn PDF document text
- http://botefedej.sportsontheweb.net/posejokoparuvujuriwu.pdfIn PDF document text
- http://dudoxanudito.scienceontheweb.net/midunilikekigipebixumumaz.pdfIn PDF document text
- http://rowedirazizamo.22web.org/jiwopubomugigogajiw.pdfIn PDF document text
- http://bodinimat.iblogger.org/british_gas_bill_example.pdfIn PDF document text
- http://zijafanovidiz.sportsontheweb.net/cengel_termodinamica_8_edicion.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/94cc8edf-a159-482a-b7bb-6bc46c1f64f5/what_type_of_usb_cable_does_garmin_use.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b7ad234-5dcf-4678-bf2d-bf9ad4c633d4/derinonekigexojevi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c12be4c-050d-4edc-bbd2-89431e9c012d/how_to_set_defiant_indoor_timer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/44bf93a5-543c-46c2-a4d4-60cfffbe0562/nepewi.pdfIn PDF document text
- https://fac30f9c-1bc3-4ff6-ac40-7ced1d2a170b.filesusr.com/ugd/3b7182_92f517af95ad46099edfdc8973c18f25.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/186f371d-5b2f-47a3-9273-06a8ed655a40/verb_tenses_english_quiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a5c1c66-66a7-45e3-ab24-c710e39fa394/what_is_puerto_rican_food_like.pdfIn PDF document text
- https://c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com/ugd/a9e086_46d16273161d4af9aaaa4712e744bac8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/01fe4aec-9d57-4ed4-b662-0ea29b23d5cb/cognitive_behavioral_therapy_self_help_for_anxiety.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e0184de-0327-42c7-8bcb-501f0b9859f0/model_1024_genie_pro_troubleshooting.pdfIn PDF document text
- http://zazupixuwup.rf.gd/mupagome.pdfIn PDF document text
- http://vaxinot.epizy.com/63151826635.pdfIn PDF document text
- https://95c758d6-fd33-43c6-b5d0-f1f55e07e946.filesusr.com/ugd/cb0188_f6e25ec47c434a69a25d662b9c187eff.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/aa7af994-fa08-471f-aa2f-0ca54d9a3184/ringwraith_gauntlet_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0202579e-6445-4226-a2ae-9addcf8d7b5b/how_to_use_dynamite_prophet_sport_lipo_charger.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6fcb50b8-0557-4529-ad3f-ec6a8e7e922d/sutalojabubowarijuvef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94233d4e-f050-4506-9f07-430678e25ea8/which_of_the_following_is_not_a_phase_of_mitosis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/943f70a8-3e0f-40c4-a904-f00c003074db/what_happened_in_act_5_scene_2_of_macbeth.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF977 | 2912 bytes |
SHA-256: ca76997379172eee33085c8482c7323aa4c6490e5d9b0518affecd078e7eaab7 |
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font_01_sfnt_off000103d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D3 | 5268 bytes |
SHA-256: 2f3140bdb4becbc678124d4c6a94d28c3d0fad04412f6e5c5dce9ebabbc0c7f7 |
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font_02_sfnt_off000115a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A3 | 10640 bytes |
SHA-256: b82a1660ee9553efce2665327075b6c6f7bba57804f9b7fad0fca8a25123f274 |
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