MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised WordPress upload directories, suggesting it is part of a link farm designed to distribute malware. The presence of a download button lure further supports the phishing and malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/234d3c7482b3ab1449fb16c4db09ae45/40663138278.pdf In PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d21eb8ad3c8---75048268484.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d65d1213f---34731708821.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ca0f27720---59514354209.pdfIn PDF document text
- http://cloverpark1960.com/clients/1/17/17c242f0968dc4bce059666b43fbd075/File/ketodipa.pdfIn PDF document text
- http://tonystelly.com/clients/873487/File/xugagazofameraxonotevibiz.pdfIn PDF document text
- https://rubyyadav.com/nbloom/fckuploads/file/67205905249.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/70181800883.pdfIn PDF document text
- https://facades-metal.ch/ckfinder/userfiles/files/84304847330.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/d33012f9693ec93dc345daf984120acb/kemaduxifixepumepe.pdfIn PDF document text
- http://jar-ted.pl/file/lilexaler.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/75133923716.pdfIn PDF document text
- http://adaviestransportltd.com/userfiles/file/korafewotokawezix.pdfIn PDF document text
- https://doitoutdoorz.com/file/7HBe1q2KIsAtZCWj.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/mojezufanu.pdfIn PDF document text
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/gipujisowuberogofaxaj.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee2024b1294---42682125395.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/63097403994.pdfIn PDF document text
- http://amidoux-peintures.com/ckfinder/userfiles/files/dokawadivaxesawabewe.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/vejuguvuputizovegebinewe.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afbb14e3c33---dezabarupujowude.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/jibibodomawuladokep.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/xuvofifaparafokizegigeke.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/41364875137.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/90719082334.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a710bb4fe38---12582557928.pdfIn PDF document text
- http://cbestdesign.com/ckfinder/images_store/files/70078754707.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=ps+touch+apk+download+for+android+7PDF 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_off0000e3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3EF | 18104 bytes |
SHA-256: 97f20e78b974cc9009f2312afd18608ec48825fb58f9055afa0d35d98c77386d |
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font_01_sfnt_off000113d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D1 | 10916 bytes |
SHA-256: a0b5ce2ed2c724799bb342760399e95f196a0e06d27b7d9e0bbe7be8803ddc7e |
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font_02_sfnt_off00012d2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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