MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and disposable domains, indicating it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the high ML score confirm its malicious nature. The primary goal appears to be directing users to potentially malicious or phishing content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://pistant.ru/uplcv?utm_term=pasos+para+realizar+un+plan+de+negocios+pdf PDF link annotation
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/ov7uq6r6ml273jg01014etvfq4/8552299873.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b14890bc3---9799962806.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/41272478217.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9351f2bab---makisuxujinisaduvelovo.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609313a853a3d---46122463438.pdfIn PDF document text
- http://w-f-l.de/user_img/file/93170200053.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/6b3642dde8b4a1bed71ccce53254323c/56711613877.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/7f0f2f8778e8558db5fc9dda1d1d96a8/90702084300.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c452ca7c0391e6208ba0504c8fcfb1c4/wobibadepidefilu.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/tonixokufof.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce8074026---2617982608.pdfIn PDF document text
- http://propellerclubsandiego.org/uploads/files/13250707681.pdfIn PDF document text
- https://ankaratemizlikcim.com/depo/sayfaresim/file/85167670.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a4e118535---weduborotebutunokowovobut.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ch0ej3n1krjvrs7pkcova6m1r5/63641464507.pdfIn PDF document text
- https://gizaviation.com/uploads/files/45782448795.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ol98us2u4m0j2ji8jkgu2i7jst/derikaraxafekuletadele.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_off00018006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18006 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001981d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1981D | 10860 bytes |
SHA-256: 3e474a8d2206daba63da414838e3620575d2981957913bb1b086ffa70bd84760 |
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font_02_sfnt_off0001b117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B117 | 18812 bytes |
SHA-256: cba11a71d327cec59a797d2a6a5225fd6d70a5df6243b62b701aefbe4903b9b1 |
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