MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload storage and disposable hosting. These links likely serve as lures to phishing sites or malware downloaders.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d331a8ff2---lelejivuzukafufirabo.pdf In PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd72c15440e---gigebajeboronapebad.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e112ce96ba---14853703415.pdfIn PDF document text
- http://barcabianca.eu/upload/file/fazumaxavalekizuxow.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/pidawixasizofeb.pdfIn PDF document text
- https://asiquim.com/ckfinder/userfiles/files/likukovur.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160998ef328ae9---16165027299.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/mukulup.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/dk24s8h39s1lbp8mkdkrttv3b0/55923978919.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//38510697586.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/639c322e560e9d9e171efc7cc749d7bc/zokijituzagubimotojut.pdfIn PDF document text
- http://synowka.pl/galeria/file/kawopujexenetelibo.pdfIn PDF document text
- http://polletnv.be/uploads/files/dafolegugoxof.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/a84ddec6492b9b7c54ac647d77370668/95514624610.pdfIn PDF document text
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/7e080d46b358698edee92999f5cee7d3/12446745541.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160acf44b34977---wupekadurovunojogiro.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607abe170f737---godekox.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609162a9043e4---nitopiginub.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210604_13280EC702BBD592.pdfIn PDF document text
- http://jp-cable.com/d/files/89907088334.pdfIn PDF document text
- http://clarkstownhs64.com/clients/2/25/255c49a504cbad61718694d8b78dfcdd/File/6575398995.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/de9bgqjaj3aa6c69gqbbno0mlh/70877717760.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/rosamuvuxotidivotaxirofun.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c843bc0b97---dupugapemenibibagalan.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6opbl1uelilcmhhmvsqgn5e480/wesalalobubodazobopofen.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=green+day+american+idiot+guitarPDF 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_off00013623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13623 | 18072 bytes |
SHA-256: 6c872da6183df3d694ddc9f08799fd7e1e671fcdca58b33836a26547f5e0d5ff |
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font_01_sfnt_off0001663f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1663F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017e56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17E56 | 10752 bytes |
SHA-256: fcd5c503a963d7f296d991ee3034156d2a4b723afeb2f7973697390f0a30708e |
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