MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm with numerous external URIs. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of links, suggesting an attempt to manipulate search engine results or distribute malicious content. The presence of multiple disposable hostnames and UTM parameters further supports a malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://nipisod.ru/strik?utm_term=what+are+mini+dv+tapes PDF link annotation
- https://cdn.sqhk.co/kigakikijebo/dKSOgdE/lowajewirekiweju.pdfIn PDF document text
- http://manamuposa.getenjoyment.net/67905922241.pdfIn PDF document text
- http://prolac.ru/projected_cash_flow_template_free3338c.pdfIn PDF document text
- https://cdn.sqhk.co/dowamagova/hicjige/fish_adventure_aquarium_mod_apk_android_1.pdfIn PDF document text
- https://cdn.sqhk.co/pozuwifofub/hGiiibZ/suvebimazurawaku.pdfIn PDF document text
- https://jetujipizi.weebly.com/uploads/1/3/0/8/130813705/34829.pdfIn PDF document text
- https://vuxabodunufa.weebly.com/uploads/1/3/1/4/131407539/4349973.pdfIn PDF document text
- https://rabusefikitane.weebly.com/uploads/1/3/5/3/135314736/4748016.pdfIn PDF document text
- https://cdn.sqhk.co/nurofiwele/Tjhja99/pubunagopa.pdfIn PDF document text
- https://pudupujaw.weebly.com/uploads/1/3/0/8/130813100/4898529.pdfIn PDF document text
- http://wirobigi.medianewsonline.com/65315735422.pdfIn PDF document text
- https://dudafizegananif.weebly.com/uploads/1/3/4/8/134864336/todewikem.pdfIn PDF document text
- http://masito.space/the_dating_playbook_for_men._dow3njrl.pdfIn PDF document text
- http://zedakobogesa.mypressonline.com/rearrange_pages_online_sejda.pdfIn PDF document text
- https://zilonuxe.weebly.com/uploads/1/3/1/6/131637529/nupubaril-jogedipar-jofasefude-kegowet.pdfIn PDF document text
- https://defosojuregoko.weebly.com/uploads/1/3/1/3/131383900/serevesume.pdfIn PDF document text
- https://cdn.sqhk.co/zetuzire/hcbbRLT/jones.pdfIn PDF document text
- http://tomogorman.com/66761424507wl58m.pdfIn PDF document text
- https://xefafarorul.weebly.com/uploads/1/3/4/6/134698093/xegovojiz_zosogisix_zazokawepaze_robano.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/gafedupeba/74902618368.pdfIn PDF document text
- http://palelezugob.onlinewebshop.net/puppy_vaccination_record_card.pdfIn PDF document text
- https://s3.amazonaws.com/vifusupegiza/how_to_change_the_clock_on_a_pioneer_deh-p5000ub.pdfIn PDF document text
- https://s3.amazonaws.com/nafoxuda/fedex_office_near_me_now.pdfIn PDF document text
- https://s3.amazonaws.com/vavabi/antivirus_kaspersky_total_security_2018.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_off0000ece0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE0 | 5240 bytes |
SHA-256: d51fe077aedcd2a77787c8b7dc3a425edcf4b64200f8e7c085d47dc845ee8881 |
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font_01_sfnt_off0000fe93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE93 | 11204 bytes |
SHA-256: 3e5de92eb45260f932ceace9dae9b063fbadbfa396d8b464b665de3597329004 |
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