MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to a variety of websites, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to distribute traffic across multiple domains, likely for phishing or malware distribution. ClamAV detection and ML classification strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://infrive.ru/uplcv?utm_term=you+look+tall
- http://andrelandberg.com/userfiles/file/12302665889.pdf
- http://architettotoma.it/userfiles/files/39848721935.pdf
- http://studiopiergentili.it/userfiles/files/jagajorukevaxukatel.pdf
- http://botosani.ro/img/uploads/file/25707882517.pdf
- http://dzbnf.com/upload/file///62332322398.pdf
- https://imagebeaute.fr/userfiles/file/miwozugometarefe.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab7605df4---wuluxelegifageroxa.pdf
- http://aivieksteslaivas.lv/userfiles/file/44824583380.pdf
- https://protradingindia.net/userfiles/file/tivuvagakolumelenixafuna.pdf
- http://lab4050.com/upload/editor/file/97691497952.pdf
- http://newcastlehigh1967-50threunion.com/clients/43248/File/18696581356.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160c8829f76635---seluwelitutifutelevevafar.pdf
- http://wo-kop.pl/userfiles/file/vipokux.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/1ab8a38ecbd762d1840227b057a0ce03/59727159820.pdf
- https://hsse.cl/files/namet.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f24c08c852---41804187391.pdf
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/2f076838f789e4d5b752d88daea2a74e/rabijava.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b7ee8ad36---33853534214.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e21bdeece3d---45366924020.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b821463f848---23909166025.pdf
- http://fritz-fahrlaender.ch/download/56087339302.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d95ce75828---berig.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b39794316---8129591190.pdf
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/ff67fcd473bdfea4d0cb38fb3388f9eb/fefilumilivuzam.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_off0000eeeb.bin824a29c7b65c24193f0a38c6004d5f339d67e8e3fd181aec5aeeee2a679430a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEEB | 9680 bytes |
font_01_sfnt_off0001041f.binb5c1ed8d943100862ae6cc25916f88f541f1d2fa728db5f60e62bf27bedd63de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041F | 16724 bytes |
font_02_sfnt_off00012f99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F99 | 16792 bytes |
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