MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristics reveal that the document functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting domains. These links are likely intended to facilitate phishing attacks or distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7164262655---92966719682.pdf In PDF document text
- http://dui-antidote.com/images/userfiles/file/21160344061.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/977bbdfd09ddadf0317a3856070464b5/1460442252.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/gfiilgaiie0pn4l4da6hpapmvr/pusejusadagaselufum.pdfIn PDF document text
- http://shophouse.info/images/files/birijaledivol.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2a8ac22b8---morezeveturuwerum.pdfIn PDF document text
- https://tumsad.org/img/editor/image/file/durawix.pdfIn PDF document text
- http://sieuthikhoacaocap.vn/upload/files/93668860294.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/vipokifakudadikopuvojiwek.pdfIn PDF document text
- http://logenamerica.com/userfiles/file/zapofoxu.pdfIn PDF document text
- http://taociren.com/upload/file/210818121446375001mcobmdnd8ljc.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/50169920255.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/vukodikega.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/27525396737.pdfIn PDF document text
- http://dominoliberec.eu/images/file/files/12760018622.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/2b99868b64d7e016688d7292f04a8ef6/vekabaw.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/17223685384.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/4484781562.pdfIn PDF document text
- https://baglab.pl/galeria/file/lupufebuxogif.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a062f575729---jomagakizotak.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/44373510213.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d49d28d084---donupimotukilemupiwow.pdfIn PDF document text
- http://chinalabware.net/d/files/59855476620.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/34335033819.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=made+4+cleaningPDF 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_off0000d41e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC30 | 17108 bytes |
SHA-256: bf43a8e68a246ddbb69e0c89ab2a4ac4d62b5ba12fa39af50121e183a3de7371 |
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font_02_sfnt_off00011877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11877 | 10132 bytes |
SHA-256: ac0e0fae6e82538385e5f58e9c99d476e6a3d802fddc9056846b712d500083d9 |
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