MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://huntic.ru/uplcv?utm_term=skins+mods+maps+for+minecraft+pe PDF link annotation
- https://bokaichenyu.com/upload/files/lixuratujexurazumebujabe.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/1231533260.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613476b4d2a2d---5532394034.pdfIn PDF document text
- http://dalaichau.com/files/903803520.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/watit.pdfIn PDF document text
- https://grouptm2.com/contents/files/79973007128.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/31040966659.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/6202c14a91c112f58498a33d2e9a8628/91618841651.pdfIn PDF document text
- https://cv-vezouze.fr/media/file/42542779845.pdfIn PDF document text
- http://haiannweb.com/uploads/files/tijejusafaxajemowu.pdfIn PDF document text
- https://swalaya.in/userfiles/file/41989363069.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc78068140---sirazedi.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/dabokalofepepijete.pdfIn PDF document text
- https://agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/femasasutuvux.pdfIn PDF document text
- http://matchedtubes.de/userfiles/file/remisulop.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbc3914f01---37756555311.pdfIn PDF document text
- https://medius.sk/userfiles/file/rajufaseti.pdfIn PDF document text
- http://maydemtienvn.com/upload/files/neguxaziluridemisemop.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161368910bc9e4---fufar.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/4375347880.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/p0qffkrsdqgemjqmssjc01g19t/guzenibefozasowuravisomi.pdfIn PDF document text
- https://defi128.com/userfiles/files/vujigobok.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ufd832si3i7s1t9lcvk1nh4arr/65913269037.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://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_off0000b191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB191 | 14596 bytes |
SHA-256: 8d30c588fb813a03dd7b5f1e789a74865bddc9c8df5dcb7bfd1cacef0703e5b6 |
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font_01_sfnt_off0000d645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD645 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5C | 10900 bytes |
SHA-256: 93b27fdb4d60b8a4827b9c6cf32208488b9958b9d00ea49ea0c559fca5d88d1a |
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