MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS upload directories, suggesting a phishing or redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to exploit users by directing them to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://fiscalonline.eu/app/webroot/files/userfiles/files/97852828261.pdf In PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/padutororatulilumud.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161297a12c0816---38008317486.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081739e2f302---woxinedunugijomujunufuzif.pdfIn PDF document text
- https://nic-irq.com/userfiles/files/21832551138.pdfIn PDF document text
- http://veiligheidsslot.nl/ckfinder/userfiles/files/mubipazifenovebera.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/7701b3db6b1ccd2ddddf31bdb580e29a/75492776099.pdfIn PDF document text
- https://valenciamaids.com/userfiles/files/98918097778.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a975f1d791e---91163422248.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/3201b700012949f2893e13fb90888f7e/zozinuzijalufopurixawa.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160f536f580a5e---tepixoravig.pdfIn PDF document text
- http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091034e6b939---19622015300.pdfIn PDF document text
- https://suacuacuontoanphat.com/upload/files/74308887988.pdfIn PDF document text
- http://salwex.hu/file/50560475698.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/28001501364.pdfIn PDF document text
- https://faltprasten12.se/anvandarbilder/70/files/95240647207.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-5-20/20210520211723834475.pdfIn PDF document text
- http://redactron.com/userfiles/file/31080760266.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/43b48e2276da1c6582f098c089a2ec2f/30746365773.pdfIn PDF document text
- http://gildiamasterov.ru/userfiles/file/jikurunilasonuxujinelefo.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/0177f43a49c8ea58aac96aa691e71530/64931285078.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b953c1354---27901991285.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/13190964108.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac9ab05d6c---16686758194.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/fp7cv3rk6r14la471hrdlkvvbj/61508935998.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=dativ+pr%C3%A4positionen+%C3%BCbungen+pdfPDF 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_off0000c76e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76E | 20304 bytes |
SHA-256: 6b14b68c3e35d7d1fa3131c2142c721b2a5c0046f2708bc7f93b0fc096ee85b7 |
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font_01_sfnt_off0000f93c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF93C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11153 | 11384 bytes |
SHA-256: 2f74f3583ba978d7d9f427723a749c10f28cb3067d2d65d5f9af8396df63a787 |
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