MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics indicate the PDF functions as a link farm, directing users to various external websites, some hosted on compromised CMS platforms. These links are likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://drafthe.ru/uplcv?utm_term=how+to+see+battery+life+on+android
- http://midospa.com/upload/files/zaduxujudi.pdf
- https://successalpha.team/upload/files/92565670807.pdf
- http://vattuxaydunghl.com/userfiles/file/panobis.pdf
- https://biothiennam.com/media/ftp/file/mikusonefuromewenugefereg.pdf
- http://studioguagnoni.it/userfiles/files/99587646425.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411cc746132---jivexugipunarefa.pdf
- http://gammatradings.com/userfiles/file/65794557882.pdf
- https://ewdel.cz/ckfinder/userfiles/files/76871388133.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/n8192sol5fsic9j9u6lvicmmpb/rawewo.pdf
- http://phdpecs.hu/userfiles/files/18000914482.pdf
- http://perevodvnegiloifond.ru/pict/file/nodimuwudofefonem.pdf
- https://inprovitvenezuela.com/ckfinder/userfiles/files/52807159582.pdf
- http://chiangmai-esc.net/user_img/files/lelajilobukusarebe.pdf
- https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/fosodivitom.pdf
- https://hygradeinsulators.com/images/uploads/file/36736498868.pdf
- http://pro-elec.ru/ckfinder/userfiles/files/73679716776.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613665897c23e---vogewinatebigamu.pdf
- http://asid.rw/userfiles/file/vorukoduxamizawi.pdf
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/vanipulozikipagogobumepal.pdf
- http://www.farmaciabergua.com/userfiles/files/falasutapibuj.pdf
- https://thaiahpa.com/flash/files/30460066044.pdf
- http://camelliafb.com/uploads/files/202109031527471439.pdf
- https://sinaia-vik.com/admin/fckeditor/editor/filemanager/connectors/php/file/jadek.pdf
- http://contelex.it/userfiles/files/38349791265.pdf
- https://pima-alarms.eu/slicice/file/punajazixekegugogul.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_off0000c5c7.bin45e72453e3d0fb82a3027e38486c0c639c88100680840a3d366df46320eeef18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C7 | 10676 bytes |
font_01_sfnt_off0000de66.bin11915509e1428a045ccd7f5ae1733b36011ac4aa321722c1929bf00223ba60ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE66 | 17644 bytes |
font_02_sfnt_off00010c2a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2A | 16792 bytes |
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