MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories. These links are likely used for phishing or to serve further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c128b82547---15444923909.pdf In PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ctb358k7cdt99ae9ffreo0ual3/bozubapus.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/pulematoraruwunidebogofov.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a8c77f622---serikabixobofubokip.pdfIn PDF document text
- http://sskj.pl/userfiles/file/rizozorunibuwetiterede.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/80595313688.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdcd7729e80---zenixaten.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f256287f41---kexepajegukuwudoruwa.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16070a8bfad31d---vaforavafiterawup.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607fba6768b8d---16796011834.pdfIn PDF document text
- http://orlickachata.cz/files/files/pawowemupagumalidubisomu.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/15e0bd8cef6ec0ab615ecf8e69f04389/sotodesog.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/d3a98bda2aa359db5f629a70d115a53f/kufudutel.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///20210615233551_96287431.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d47a1c2113---jagomufazajuzewaxexamuli.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/960111d81f211df6fcf96bcf8dfca063/guxikak.pdfIn PDF document text
- http://houselandia.ru/files/fudasadagafenuka.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/0041b70cbacadaeac2b4068cf8f7d280/84253675776.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/tesikomudi.pdfIn PDF document text
- https://albawadiroad.com/userfiles/files/28310676761.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/99279784166.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/dko4jh62d69cgi4tdqcvpb8upn/99064831049.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160cc00fa9ce03---povojofapo.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/ee7039a146923f80b0a72833f2365e61/vivamedidopoxozidewabezu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+calculate+cross+sectional+area+of+a+beamPDF 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_off000106da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DA | 10816 bytes |
SHA-256: 51880c9a0ba6c497248c4de45ed843235caabd13d1ed379cadc57ff3bfe671a2 |
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font_01_sfnt_off00011fce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137E0 | 18304 bytes |
SHA-256: d5e4e102a8d39896d5a9a60fc97223e8760611ee2012ca9257b9bf638574ce0f |
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