MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites hosting further PDF files, likely as part of a phishing or malware distribution campaign. The presence of numerous links on disposable hosting and compromised CMS uploads suggests a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/476fb9575c20645804116a91370a87fa/3883033708.pdf In PDF document text
- https://khanikango.in/file/fukan.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/tatiz.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c183fd0cfa6---joxojukedukumagomujuwur.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b549b4c953---vojofikojijikoputidanufan.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/5510449138.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160bf550d6e303---69196284026.pdfIn PDF document text
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/8ed85726fbc03c91fb15f4df5a76253c/73161480321.pdfIn PDF document text
- http://ailizia.com/userfiles/44357288179.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc2219ac9e---xomasevigopugidi.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/2281710edb7253fbab7db95200c3926d/44093652671.pdfIn PDF document text
- https://synersys.fr/contenu/file/lujaxafaxes.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/7632048816.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/dabedalejunewomosi.pdfIn PDF document text
- https://projetovm.com/uploads/files/nitiwubowifan.pdfIn PDF document text
- http://levakov132.ru/userfiles/file/62467698984.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f50ea62353c---49676501459.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/54594984402.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45b36be121---mifasozi.pdfIn PDF document text
- http://www.emailposte.com/pictures/94988160079.pdfIn PDF document text
- http://pelesiuvalymas.lt/i/File/28013339250.pdfIn PDF document text
- https://prestinireedcorp.com/userfiles/files/bujip.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/fe5d29b4f9be8eb2bacf614b8660d838/pesot.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b5de2a66a01---91643864546.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=drawing+on+any+festivalPDF 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_off0000dc62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF474 | 16372 bytes |
SHA-256: 598d80cfd55270d37cb90c90ded6a6c326a9702f0707a3893bf86efc729539b7 |
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font_02_sfnt_off00011f06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F06 | 10656 bytes |
SHA-256: 44e29480e9fcd11b0b3ed555fc323a6a24eb96714d67a7bfb67a293a9a678804 |
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