MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs hosted on compromised or disposable domains, a common tactic for phishing or distributing malware. The ML classifier and ClamAV detection strongly indicate malicious intent. No scripts were extracted, but the structure and embedded URLs point to a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://aiaato.com/FileData/ckfinder/files/20210609_F320413A111933F2.pdf In PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/15153253373.pdfIn PDF document text
- https://alirezamirmohammadi.com/images/upload/files/53718220999.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/fda339992fff9e40dfe1ad0634a0837b/51340124547.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/bolimolifodojazos.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210706_192019.pdfIn PDF document text
- http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/22612683387.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/80f36b1c746d4ef39fdd1db0fe599091/josijidipofazo.pdfIn PDF document text
- https://thaiwoodengames.com/files/upload/files/notemufezobo.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cb810b061cb---duzavojanuwodawibozo.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/nvfh8smmedj753thl7l3ano5m1/15229658574.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/18232627063.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c12868a30---96066851683.pdfIn PDF document text
- http://rghsalumni.com/clients/82979/File/49760119879.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16079139aa2db7---20228444946.pdfIn PDF document text
- https://spark-care.com/userfiles/file/49371266403.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/p2pgbddhgod63on8g02to53791/vivorutetagukivetoguki.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/92726418062.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e583e346d05---gipifinuj.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cb90231bb7b---saziboleka.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079677f9b477---joxonuxururejeg.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/jegomivegivewa.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/h07ucgmrpa6a9clfhf0tnlckkh/zatedovajaxudakab.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/nigiroz.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/6fdb7dd41a555522ed1ce50fe6065009/5653250163.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=carrier+48tc+manualPDF link annotation
- 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000110dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110DC | 10520 bytes |
SHA-256: 5d9740fa4d7ec550f75eaa5a425dadeb12895d5c9ba20913c973028f3c15ca0f |
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font_02_sfnt_off000128cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128CF | 18140 bytes |
SHA-256: 62cd239076610b40b917636e47f4c0392b3264ed77b91443d39e8a96074de11d |
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