MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, appears to reference academic content, likely as a lure. The presence of multiple external URIs and a high ML classifier score indicate malicious intent, possibly for phishing or distributing further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://jacksth.ru/strik?utm_term=exercises+for+weather+and+climate+9th+edition+answers+lab+10 PDF link annotation
- http://mivamoxejepije.iblogger.org/jodevozubel.pdfIn PDF document text
- https://simakaxulov.weebly.com/uploads/1/3/0/7/130738785/nuzuxuzedaxabik.pdfIn PDF document text
- https://vipavogezeguw.weebly.com/uploads/1/3/1/0/131069860/nomipetimabilokezore.pdfIn PDF document text
- https://xigokujote.weebly.com/uploads/1/3/4/6/134649591/943ff047e06.pdfIn PDF document text
- https://vexokefiveve.weebly.com/uploads/1/3/4/4/134494279/9710393.pdfIn PDF document text
- http://gedawuxofawu.iblogger.org/bug_report_to_microsoft.pdfIn PDF document text
- https://pibiwija.weebly.com/uploads/1/3/4/8/134896476/c53341.pdfIn PDF document text
- https://dixozetazexode.weebly.com/uploads/1/3/4/4/134472526/poladamubamimojipoju.pdfIn PDF document text
- https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/726386.pdfIn PDF document text
- https://lowunipuso.weebly.com/uploads/1/3/1/4/131453219/lubowafafudidetoku.pdfIn PDF document text
- https://dapobirot.weebly.com/uploads/1/3/4/8/134888013/pefedalugokinokugab.pdfIn PDF document text
- https://bubigijezifaju.weebly.com/uploads/1/3/1/3/131380429/xorokadaxonaba.pdfIn PDF document text
- http://lesitegu.iblogger.org/minuet_boccherini_piano_sheet_music.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ruxokafa.epizy.com/21756918259.pdfIn PDF document text
- http://redebalumu.rf.gd/pulmonary_embolism_diagnosis_nice_guidelines.pdfIn PDF document text
- http://siberasule.rf.gd/gejonu.pdfIn PDF document text
- http://sobilekob.epizy.com/gene_mutation_worksheet.pdfIn PDF document text
- http://jawikaginixuxuz.rf.gd/kumuditanalamukubasozeler.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e71ebf94-7c4b-4c2d-81e4-b1ed2544cc3c/zivimajezerujov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2528ed45-c601-416f-b04b-3f42d48d3579/facebook_help_desk_usa.pdfIn PDF document text
- http://xipudabokodem.epizy.com/athletic_body_in_balance_free.pdfIn PDF document text
- http://mizotafadoroze.rf.gd/get_current_access_token_facebook_android.pdfIn PDF document text
- http://fulawumobolofog.epizy.com/asbestos_awareness_training.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/337f19c0-0f91-4ef8-bb4d-75a13d638882/68720900244.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c2088ce-8ee5-4d72-9b0f-f9fcb3db86cc/casio_gzone_rock_c731_charger.pdfIn PDF document text
- http://mogerokefo.epizy.com/rubojanapiseduximanezed.pdfIn PDF document text
- http://mizozibobekujul.rf.gd/33930073348.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_off0000ef05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF05 | 5868 bytes |
SHA-256: d8d40a30c679b0a5f7461a8b06e87c4901ccfc9ffdb5fc4387a7b3ff00c9291e |
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font_01_sfnt_off000102ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102ED | 10480 bytes |
SHA-256: d697d05b9683c97975744b1f4298383e76da60beb978436dc9e8994d62f5690c |
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