MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. The presence of external URIs and a link farm on disposable hosting suggests an attempt to redirect users to malicious sites. The 'SE_CALLBACK_LURE' heuristic specifically points to a callback phishing or tech-support scam pattern, where the user is prompted to call a phone number. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an exploit or phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://mezovuduw.ru/123?utm_term=elie+wiesel+night+questions+and+answers PDF link annotation
- https://cdn.sqhk.co/kajurineg/iiuhiib/xefomipekoderiso.pdfIn PDF document text
- http://prod-fruit.space/bonomovom2b9ih.pdfIn PDF document text
- http://itclick.info/beats_solo_2_luxe_edition_bluetoothfkr8s.pdfIn PDF document text
- https://cdn.sqhk.co/vapezuwe/Kihicha/ragatewabegurelepirusunu.pdfIn PDF document text
- https://cdn.sqhk.co/boguzivipel/3hfjgAi/genesis_united_methodist_church_louisville_ky.pdfIn PDF document text
- https://cdn.sqhk.co/tenotitur/AihT3jg/youtooz_dream_figure.pdfIn PDF document text
- https://cdn.sqhk.co/vefusujix/eGBoLIR/wozoturejevidivowulap.pdfIn PDF document text
- https://cdn.sqhk.co/kifuzopeko/Bhdhaxa/juventus_vs_ac_milan_live.pdfIn PDF document text
- http://kulanefimolon.mypressonline.com/diccionario_larousse_descargar.pdfIn PDF document text
- https://cdn.sqhk.co/moxawitab/ThayeAy/xodufajejaxun.pdfIn PDF document text
- http://dejafonuzu.iblogger.org/historia_de_mexico_libro_sep.pdfIn PDF document text
- http://lebepufu.mypressonline.com/japanese_grammar_textbook.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gakilasefit.myartsonline.com/jorurofetefuduripobi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb95c3df-7a9a-484e-a7f1-26386ec22b04/webasto_diesel_heater_installation.pdfIn PDF document text
- http://fasevirova.rf.gd/sawizagume.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e322318-97dd-4bea-a283-a5b6c783979e/craftsman_snowblower_manual_parts_list.pdfIn PDF document text
- http://rurubafemiw.rf.gd/pipigalovus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d475aa6f-b67e-427f-99fb-cea2f2163f10/99473513722.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d4fadea-b61a-4004-9230-21ad2dc1c923/kenmore_front_load_washer_manual_drain.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79ae610e-4888-4161-a806-dfa730eb6d6a/how_to_use_vicks_vapopads_in_starry_night_humidifier.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_off0001062c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062C | 5260 bytes |
SHA-256: 1f282513de1e84150f72c7a1afb511125e3c29a506f7e93167f7547e1e2c74e4 |
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font_01_sfnt_off00011815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11815 | 10404 bytes |
SHA-256: 317f54dc77869fd1271fc20c0deff7e378bbb5b6f6505e380d15d868f066f226 |
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