MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, identified as a link farm. The ML classifier and ClamAV detection strongly indicate maliciousness, with ClamAV specifically flagging it as a phishing trojan. The embedded URLs likely serve to redirect users to malicious sites or to manipulate search engine rankings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://botokaw.ru/award?keyword=reinforced+composite+materials+pdf PDF link annotation
- https://vubupegizisave.weebly.com/uploads/1/3/5/3/135315261/libufujejadakowilola.pdfIn PDF document text
- https://cdn.sqhk.co/tirekidifole/jbgEThL/14021908658.pdfIn PDF document text
- https://wezawemexa.weebly.com/uploads/1/3/1/4/131410399/tunirineledak.pdfIn PDF document text
- http://gejesixave.scienceontheweb.net/jane_eyre_summary.pdfIn PDF document text
- https://cdn.sqhk.co/fidisutipamu/maYJia9/98311241154.pdfIn PDF document text
- http://kevebofuru.medianewsonline.com/anatomy_and_physiology_10th_edition.pdfIn PDF document text
- https://cdn.sqhk.co/gusisezepemu/COk8pgj/sadeketop.pdfIn PDF document text
- https://refodalisa.weebly.com/uploads/1/3/4/4/134437853/tavajawinera-galip.pdfIn PDF document text
- https://xudomulur.weebly.com/uploads/1/3/4/0/134040538/kidoru.pdfIn PDF document text
- http://zilijakal.iblogger.org/punenisu.pdfIn PDF document text
- https://sefositudixe.weebly.com/uploads/1/3/4/5/134524400/8b7d04fc.pdfIn PDF document text
- https://cdn.sqhk.co/ponesigis/2Pjibgc/monelilafukewofu.pdfIn PDF document text
- https://cdn.sqhk.co/lawafopugu/h0Uhbjd/street_fight_gang_war.pdfIn PDF document text
- https://gurawibozogudex.weebly.com/uploads/1/3/0/7/130739732/fubivuxonotilukoz.pdfIn PDF document text
- https://zopodiwozexuma.weebly.com/uploads/1/3/4/7/134737972/b01a6f7f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mukanebesiva.atwebpages.com/guitar_songs_for_beginners_electric.pdfIn PDF document text
- http://tuzipegubeluwo.epizy.com/wenadevotozerone.pdfIn PDF document text
- https://2cc12256-1025-444a-bacb-901a9f007bda.filesusr.com/ugd/d1fcfc_a19db5426047442ba377069c935a04a6.pdf?index=trueIn PDF document text
- http://vimixof.onlinewebshop.net/kexelotekijow.pdfIn PDF document text
- http://folujas.epizy.com/99399546887.pdfIn PDF document text
- http://kugevifeziv.epizy.com/gosubadufujutenavaguvatu.pdfIn PDF document text
- https://4b98dde3-f65d-4e11-807b-d4501949e87b.filesusr.com/ugd/4a7ebd_57401bfe6f644acc9d4787b7db6e0014.pdf?index=trueIn PDF document text
- https://2ea3657d-1c4c-40dd-8491-58aeeb8dc933.filesusr.com/ugd/18a85a_33af301be81f4b41b53d2c79f4f608ec.pdf?index=trueIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0001e7f7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1E7F7 | 18300 bytes |
SHA-256: d458e3eec1ab422be4b860eebf2d4deb0c18494135e9cb7daefa7d3cb699e1d9 |
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font_00_sfnt_off0001a6b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6B6 | 5308 bytes |
SHA-256: a4935cf71c9b45a84b9bbd3a0febab885cf8338d9046913a275737933df87375 |
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font_01_sfnt_off0001b8b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B8B3 | 14368 bytes |
SHA-256: 9ded541bfec0468ba90766fa1169e93372f47a91ec5f3c3bb0e277bc6fdc2116 |
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