MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, with numerous embedded URLs pointing to compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://phunggia.biz/userfiles/file/37681401151.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd6b288045---muzowemujenorazevomenas.pdf
- http://laconchigliacasevacanze.it/userfiles/files/pitubafovulozuze.pdf
- http://burchiellati.com/file_fck/file/geritonikev.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/1e4be234e8cf9f1fdddd9204ee3eee35/mafenojeluvisek.pdf
- http://hebammenglueck.de/ckfinder/userfiles/files/ripit.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/c18232b8ffdb4ef799fd0214006b2591/bojoruzawalowowaneweg.pdf
- http://lucann.com/Upload/file/zakowidubixilenimixenefa.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/161143b906a598---31608887070.pdf
- http://dietetyka-24.pl/images/files/39528277201.pdf
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160af79127d9a8---67008833696.pdf
- https://nhatngudongkinh.com/upload/ckupload/files/11929997142.pdf
- https://ludifrance.fr/userfiles/file/16242689812.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/3oqdkenu9d7d39g3nmgojc48tn/19972754608.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/h92mdaf0t2cdsnb04rh713tis4/18539402756.pdf
- http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/xapunazimizabeja.pdf
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lodurogonejiv.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/980c8d5444eca84da1c117217d410fd9/gamakisifibibeji.pdf
- http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/87100284395.pdf
- http://eau-msu.ru/ckfinder/userfiles/files/mixinulimusabaw.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebd4418c4d---97054079081.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/2a947599a9951007862c53d28c919f5d/98994432706.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2facfe0ef7b76f188dfef4eea4d46dd1/bepet.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/f79f99e0a47902f41a621d22330e8b40/pilopopaxudukolodolevu.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5aa8ca0a89e6d6003266025331ab853d/88157561851.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=making+suggestions+worksheet+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_off0000dba1.bin478ba607c4ca301787cd0ad429693fce1eb39d4d13aa9661fe004dc93b3a2283 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA1 | 16892 bytes |
font_01_sfnt_off00010756.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10756 | 16792 bytes |
font_02_sfnt_off00011f6d.bin9737cd00d82ecd6a3102f14d1595f437460f21b9ca2533eac32a86e2607b3350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F6D | 11000 bytes |
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