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 as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to various websites. Several of these URLs are hosted on compromised WordPress upload directories, indicating a potential phishing or malware distribution scheme. The presence of these compromised links and the overall structure suggest an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://billionbosses.com/ckfinder/userfiles/files/26177594382.pdf In PDF document text
- http://orchid-daikanyama.com/userfiles/file/34036698213.pdfIn PDF document text
- https://www.hmgfinance.com/ckfinder/userfiles/files/6098824026.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/29496652151.pdfIn PDF document text
- http://mizuho-co.net/file/ck/files/9348679723.pdfIn PDF document text
- https://urbanshapes.in/userfiles/file/16086492661.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/najiwoxamuxuzulititugux.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/96135542168.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161308f532366b---takofesavonuve.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9429579e7f5bd807ecb42ea9773d91db/gojikavepo.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/76888014509.pdfIn PDF document text
- http://atomleasing.ru/media/File/sasalofifu.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/90252996078.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/mazamiwe.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/bepijoxulojo.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/unadogojogaminekufiba.pdfIn PDF document text
- https://leosservices.com/userfiles/file/kukolavilolaboduzedudumok.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/eebbef2ad6889ebba33c72aca8910dc2/wubij.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161286fb7d24bc---vuvexafidit.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/20202064881.pdfIn PDF document text
- http://homearcky.nl/userfiles/file/7145632757.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160acdaa5e5da8---28001007299.pdfIn PDF document text
- http://zigzagontwerp.nl/sites/default/files/file/wuvufotasevojir.pdfIn PDF document text
- https://www.hkfew.org.hk/ckfinder/userfiles/files/sosovuzizaguka.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=map+of+bd+pdfPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/povemor.pdfIn PDF document text
- 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_off0000e7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD0 | 9884 bytes |
SHA-256: ea44dd55b51e51d95c4930af4b7f7e7334b7fe72c2f59feb3dc881f2e7b5782d |
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font_02_sfnt_off00011569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11569 | 20264 bytes |
SHA-256: 755875af54618c4eda7dea1fe69f7f25e1c04d67b280d9954b99a6b9cd4cac21 |
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