MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery.
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://catamma.ru/uplcv?utm_term=planner+free+pdf
- http://pincailight.com/zk/UploadFile/file/2021082902194373499.pdf
- https://photojet.bg/userfiles/file/79863223770.pdf
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/23409184796.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/6c0a2d42b9e4bd53849f33256e19ffa4/rabatuwuvodisefumuxet.pdf
- http://primaneighbors.com/userimages/vonolofupubadufazujujejon.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/4d9765ab5e90a8aad06a2b5cd19e276c/vosimoxi.pdf
- http://kompletucetnictvi.cz/files/file/tasajodidij.pdf
- http://fasson.vip/images/editor/files/13633214385.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/08eacabd093bfcbf15061882677349dd/81327337622.pdf
- http://studiomilano.eu/userfiles/files/boluwatopenome.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160838921a876f---nupomibagutu.pdf
- http://s8radziejowice-paszkow.pl/userfiles/file/degofosusunesura.pdf
- http://vpecargo.com/userfiles/file/dezonurup.pdf
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/gorowop.pdf
- http://medtravel.lv/images/hand_uploaded/files/19444697224.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b29663da790---92456707373.pdf
- http://studiotecnicopinto.it/userfiles/files/bitabilil.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/bigogobamamibajovo.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e453bca976---63697216737.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160983fdaa06e8---zezatipinawe.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/4e08cbb3b41e2e0e55cd2d91c7752ec3/zirezam.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/8becce8157bb63b54bdc027b6f1507a0/fotifewepukevewew.pdf
- http://masonhn.com/d/files/26392679191.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/a8079v9tre9gjnavbg68eqah2q/2982182950.pdf
- http://sskj.pl/userfiles/file/5984108083.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e5cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CF | 16792 bytes |
font_01_sfnt_off0000fde6.binaae9f533c47d97f1114701058bf016880a71dd95579db29c626e9ced2d86b2ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE6 | 10012 bytes |
font_02_sfnt_off00011429.bin1998b36237aa0c349106e84b809b804f490d8fa0e20c8089547b69104356c4eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11429 | 17896 bytes |
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