MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to direct users to malicious content. The document body is heavily obfuscated and appears to be a lure related to 'pharmacology of antiepileptic drugs pdf'. No scripts were extracted, but the presence of numerous external links points to a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://bologen.ru/award?keyword=pharmacology+of+antiepileptic+drugs+pdf PDF link annotation
- https://lulofaki.weebly.com/uploads/1/3/1/4/131453598/muretopujarane.pdfIn PDF document text
- https://gizomedapirev.weebly.com/uploads/1/3/1/4/131454265/1724115.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369774/normal_5fc7fea436eda.pdfIn PDF document text
- http://idealicaitalia-ufficiale.site/john_deere_567_baler_monitor_for_sale2d18a.pdfIn PDF document text
- https://nizifaweneli.weebly.com/uploads/1/3/4/5/134589853/b8bb146489a8cc5.pdfIn PDF document text
- http://viwizuzul.iblogger.org/sijesu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452609/normal_5fccbc73a19f5.pdfIn PDF document text
- http://securityverifiedservices.com/que_significa_tener_anticuerpos_del_covid2s9n1.pdfIn PDF document text
- https://bazanepuxakelu.weebly.com/uploads/1/3/4/3/134346533/6522157.pdfIn PDF document text
- http://fb-ig-violation.com/2047443482838jhh.pdfIn PDF document text
- http://lorem.space/zinusufogyx2rh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453901/normal_60352d17c58d5.pdfIn PDF document text
- https://rikekipodoze.weebly.com/uploads/1/3/0/7/130776447/7192565.pdfIn PDF document text
- http://mamontov-net.cc/how_to_inspect_a_new_construction_homeuwpm4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467287/normal_5fefee4770512.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fibafewupo.epizy.com/zijogaf.pdfIn PDF document text
- https://1138278f-e8d0-45ef-aef3-dbdd7428ac52.filesusr.com/ugd/5be868_9529a4f0274c4992ae93c4e8fad01b4d.pdf?index=trueIn PDF document text
- http://wajatapewob.rf.gd/worowil.pdfIn PDF document text
- http://rituruve.epizy.com/nufopexuvemuwuf.pdfIn PDF document text
- https://eaae50f7-3b1c-4f1b-9b3c-e2a48377569d.filesusr.com/ugd/b96e41_7c6c567cb66a404fa8201a3c5b63c167.pdf?index=trueIn PDF document text
- http://bekogufepe.rf.gd/lowes_kobalt_air_compressor_sale.pdfIn PDF document text
- http://jawomav.rf.gd/28644708669.pdfIn PDF document text
- http://furaxem.rf.gd/71288866470.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_off00012ea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EA4 | 5672 bytes |
SHA-256: b4c4173f8577aefe7d751a7462c15449f4fe7d2e8c9e5b634ae9fca2daf4ad90 |
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font_01_sfnt_off000141d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141D2 | 10528 bytes |
SHA-256: 651f30c9cf94dbe806db71d64e6d816b92efc651088f3402eae9ced0be5568b9 |
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