MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress upload directories and other disposable hosting sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple external URIs and compromised CMS upload links supports the classification as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://angkorphotographyguide.com/userfiles/file/sunoxumetefuveza.pdf
- https://kalitelivideoizle.com/resimler/files/27997991704.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cf980a225---ladanefidatusunavajulel.pdf
- https://memoservicesrl.it/file/85189055375.pdf
- https://ajur.rest/uploads/userfiles/file/rebogevavoretijawizo.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/0b1d2c7c903d4f5dc8bf85b6b1227f42/46957444175.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce2422a657---nazujewomaragobisosareg.pdf
- http://mea-travel.pl/userfiles/file/lolumomafilurutazulipan.pdf
- http://dajuicebarus.com/uploads/files/fudumekas.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f388922a42---valupedozuzotizakofusux.pdf
- http://didocrosby.com/imagenes/file/94188492807.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160763c294a02a---fupojulenokixa.pdf
- http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/39326098022.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbf2dc94c3---pajidenurane.pdf
- http://www.tobywells.org/media/fckdir/file/41700103467.pdf
- http://brandweeramsterdamamstellanden.nl/userfiles/file/67936059963.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16097656786622---42118657756.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/7c67a3fcedccdf0d18e6e015d4a88642/tetorexuxavonokejer.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b1027a8a---sifiritudetetiwuxutida.pdf
- http://sibservis.com/ckfinder/userfiles/files/74695872944.pdf
- http://anipetkingdom.com/webroot/img/files/jimiferudoje.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a395713f36b---kawajiroxitezunar.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/920850a0a533ae44d7fcf253279b1680/gebabutuz.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609362a1754a4---80916460546.pdf
- https://etonbio.com/newsLetters/images/file/dolebu.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160999f2a22188---93171732183.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=self+hypnosis+for+energy+and+motivation
- https://lapdonline.org/file/rotuwu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f11f.bineb83fb48a2f60ac59fad768156047f025764cad4052c8f34695a9c8dd2456ad8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11F | 16132 bytes |
font_01_sfnt_off0001068c.bin096e9a2efbb72074e9c9207a4af01a769e0ab56e7a985835b59fefce1b37694b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1068C | 16844 bytes |
font_02_sfnt_off00013207.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13207 | 16792 bytes |
font_03_sfnt_off00014a1e.bin767ee86a36a9c41ca1eb9efd7f2be43605e224037cc31f8c73439a6cc70192d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A1E | 11200 bytes |
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