MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDF files. Heuristics indicate this is a link farm on disposable hosting, and ClamAV detected it as a phishing trojan. The ML classifier also strongly flagged it as malicious. The primary function appears to be directing users to potentially malicious content hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/oacjfjk42lato622nhm5gjp91n/xeniripadigoneb.pdf In PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/a4bu3campapmi7p7ums4rdl96n/vopelax.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/85802032170.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109061611303303.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/govomiso.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c76858b223---gofefebivinigikureso.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/kekolomofadomeroviki.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b34f553f1---6146952633.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00f46d0787---kusix.pdfIn PDF document text
- http://aa-nusd.jp/30589535317.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/jcfqjintkcn78tj22nm0s3qu4i/woponofibizusezivefe.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097d4b8d0ddc---gujagabudukum.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/11643258222.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/5ig1npjkjj7uqcrfcqc7035bb0/18223355577.pdfIn PDF document text
- https://denimder.org/resimler/files/webewodum.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/u7bn5nmks4htc71gabmf7ai4p0/11546329326.pdfIn PDF document text
- http://samsung-service-center.ru/uploads/files/lukiritofe.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/84393794202.pdfIn PDF document text
- http://fouladsazanco.com/Upload/file/xanunoxivap.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/i0t4l75hqu5kg1m9cl0qtv5ak5/vowukatum.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e16b3b36ab---74936897160.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ec337c95f---4221870846.pdfIn PDF document text
- http://uleshuzatshop.hu/files/file/kuvofegozijuzavepesekeg.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896fda17136---gutupoteje.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=l%27islam+radical+en+afrique+pdfPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/4d0e4849b7382090456d5234cf293b47/logugegejezudenaritaseme.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_off0001d503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D503 | 10800 bytes |
SHA-256: 002834b696493635ae4b6912ecd16678e9ddcc45088af9dd0bf3187ebb277cf3 |
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font_01_sfnt_off0001ed98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ED98 | 22200 bytes |
SHA-256: ba4d1c8d36b733418909d399b221bb86af213a90eb77bd42d9cf5759930e6a8b |
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font_02_sfnt_off0002252b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2252B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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