MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories or disposable hosting. This structure is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://klimagra.pl/images/wysiwyg_img/file/57848267750.pdf In PDF document text
- http://petersonhigh.com/clients/33446/File/zutaxes.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/57a7ed203c9fd04dd1c962ef715189ac/noliwugoxoji.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c01d2d3a2ab---voveko.pdfIn PDF document text
- http://pizzeriagiganti.ro/imagini_ws/duxupivadajizaxezemof.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16090f46b41d19---26712076424.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/kosikif.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a04141db934---soduremofipik.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/4487098557.pdfIn PDF document text
- https://m3csrl.com/file/77376371014.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9b14c80cf---26104807930.pdfIn PDF document text
- https://aspaeng.com/files/image/files/12660192311.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/e9dbe9f6f4c67aae6df0b425c5d9a2bb/xujizer.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9279b63868---wadovatulofi.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e0cc3c45e---60283780716.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-6-3/20210603185521501431.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/f344439eeb212b8da5941320fdf9a21b/69509742873.pdfIn PDF document text
- http://bjjiffy.com/upload/4066219453.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cf5aeecbe7c---jilogakenoxukasusuwe.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/37388880690.pdfIn PDF document text
- http://webbuilders.com/files/file/legiludit.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/61094802011.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/a8q8q8jffnpddms0t27prokeek/posejumuvutonaxupeseten.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=1996+sea+ray+270+sundancer+weightPDF 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_off0000c333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC333 | 11368 bytes |
SHA-256: 49bb26c9dcd33613a17a4e59630c5f836e9cbc42c048fdbd9da95b3313acd39e |
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font_01_sfnt_off0000dde3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE3 | 14652 bytes |
SHA-256: 1a8a3b3efd5f67a02b2906ffdb46e8e60bb728b16623b82977a00826f56d48a8 |
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font_02_sfnt_off0001032a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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