MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or other disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of these links and the overall detection profile indicate a phishing or exploit delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crysiq.ru/uplcv?utm_term=atlantoaxial+joint+degrees+of+freedom
- https://dreamscapes.ca/dream_scapes/userfiles/files/luderoremo.pdf
- http://zubrcup.by/files/files/25478425710.pdf
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/24a393c32ab45b04fb7971998cd053f6/68672140805.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/792b521933e20382ba9e3402b846a8af/runolelokilanokodijolo.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed82ca15d3---rixinowolep.pdf
- https://aquafilling.com/userfiles/file/vunidezizimera.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/37023f3970eec8143af7ff0ea7b76a14/mitumi.pdf
- https://alice-immo.com/userfiles/file/24429552594.pdf
- http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/32806872740.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/5f7b9fca6bc0289a8e7ef6a570e59630/37354221583.pdf
- http://tunglamgarden.com/images/fck/file/vojaxaxojarolirumetubizes.pdf
- https://adminico.nl/userfiles/file/nazefuz.pdf
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/92747108173.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fe8a5a57c---76561105803.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cf4d483416a---95781493478.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d669be6136---73680865603.pdf
- http://machin.kr/userData/board/file/reperiguvafasulejeku.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf323f01780---28816097955.pdf
- http://walthamclassof1985.com/clients/5/52/52060312c10aa816a718e90a19a6a7a1/File/kivuwufu.pdf
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/82874023516.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/9ojk6ock6l5gan79flc1l1rbi7/53780039002.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16103ff70bd657---dajolopawuvewilifiwexewon.pdf
- http://krzeptowski.pl/file/fomenukesevejeg.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010f35.bin8f85e3da2e6a2c32e01b96b18aca15857a605e459bf69137eb1c28e2e02461d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F35 | 16984 bytes |
font_01_sfnt_off00013b97.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B97 | 16792 bytes |
font_02_sfnt_off000153ae.bin7a2d98531834dcf76ecbbbc9431efbc15f29c309fb9b462f37add00269f5db31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153AE | 10912 bytes |
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