MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to numerous compromised WordPress sites, indicating a phishing or malware distribution attempt. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF being detected as a phishing trojan. The embedded URLs are the primary indicators of compromise, likely leading to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/bf83c9812177a082f710c54aa6b78f26/59369310889.pdf In PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160933c5cce26b---61490795827.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607083e89a38a---34890493503.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/116cd7a0360901d20442dc1b5134b40a/82272017073.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/20493270552.pdfIn PDF document text
- http://tai-group.com/upload/files/22901766206.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16094a030c373a---taxevefijerovuxuzamake.pdfIn PDF document text
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/d3a10a7d22f98f00e3bc66993efb9afd/rosutilagatagataxovavabu.pdfIn PDF document text
- http://meta-min.com/files/84811613846.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/heuqb485p60sj2lt3pfeeqk4g8/bajagusi.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/93c083b5ba12db5bb26b7ac56047c1ce/barijaf.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac622990ffb---zajosafumunikakikomapinub.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983c3cd5180---97871023668.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/ad5ec9effc50d538519b1ef3ff9fd85f/fesuvofuluju.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160965fa14328a---bebanonodefojivodupasow.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/dcfe1ef5a0f265663b876dc86772263f/zupigubafupunogukemo.pdfIn PDF document text
- https://mimpi1pusat.com/contents//files/401983442.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc3e7156be9---zosixazo.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/titazaripom.pdfIn PDF document text
- https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/a022ff7fa97ca59c5f8d13b020a4dd93/82639750887.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d28e2de93c---44446244469.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9f822bb91---80754206680.pdfIn PDF document text
- https://minlinart.com/archive/upload/files/tipibod.pdfIn PDF document text
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/gh636bql9jvcjir1kto53u5j17/tivow.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/1939125ed914f7682bfaf2201d63c2e4/gegumugogiboxolivegotike.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=tropical+monsoon+forest+animalsPDF 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_off0000f51a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51A | 10604 bytes |
SHA-256: 7341c675572b85ca1af11f0dc148b53b1e8ef333049a3d987bed6be47173c407 |
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font_01_sfnt_off00010d52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12564 | 17588 bytes |
SHA-256: 39a9516967d7a3ae143da57a61fc168f71f9067340c8a08808d3b889118b1f20 |
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