MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm with numerous URLs pointing to potentially compromised WordPress sites or disposable domains, suggesting an intent to lure users to malicious content. The presence of 'utm_term=formal+email+etiquette+pdf' in one URL indicates a potential social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://antwerp-reefer-tournament.be/argt/files/61391083322.pdf In PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094050d4a403---17343640391.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725642539a8---6961284831.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/4198380578.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783b44617ea---2625426609.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a218bab0914---62818832627.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee5534bee1---67635771874.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/0b12a077e0dfbde0e55663add3ff0186/dofudi.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608036b426490---62477465465.pdfIn PDF document text
- http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/72232134960.pdfIn PDF document text
- http://cl-metalparts.com/d/files/57861389133.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/38972208384.pdfIn PDF document text
- http://sisparts.pl/zdjecia/fck/file/gutofugomafiw.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/69889904983.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/4iilkp2rej8rb66voad36bo587/79404769753.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/r6rfuoue4u5g7n696ag5ntmr82/42172868732.pdfIn PDF document text
- https://vestol.bg/files/file/kiralelige.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/qkjnvml3iej59p7jvh2pt9aoj4/rafinelepi.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa33f0a402---rulukodivukuderiwovirefex.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/vomatiwuragupomukag.pdfIn PDF document text
- https://bloomeng.com/uploads/19956866860.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083a5a04af2a---43923070537.pdfIn PDF document text
- http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/xowijufisazopo.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/wijekovukugo.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/329933ba825c3517d2fc7a679c108add/81077476589.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=formal+email+etiquette+pdfPDF 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_off0000f2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 10612 bytes |
SHA-256: bd28abf3e0d1e870b2f21af4220a520209ae24f3945ac7bf75295a92fa651b7d |
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font_01_sfnt_off00010af1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012303.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12303 | 17312 bytes |
SHA-256: 862a265e642dae1134801d57a23bc7960f8917294f97a7c701a52b29d2eaed87 |
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