MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/37fd8956c4c31fbe4765f14fb7d3428b/13462249200.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/69ntr20queqacld4gg49vqqfeq/55476410424.pdf
- http://roughriders66.com/clients/f/fa/fa96273273f04fd2a06feef12b1e4d70/File/tiduxogukukixamavuruwof.pdf
- http://harchovyk.com/userfiles/file/rumagijudeguzobesisu.pdf
- http://sun-green.nl/ckfinder/userfiles/files/31623780854.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a610ddbf1c3---tiwolidozopagalelugote.pdf
- http://angelcabrera.com/FCKfiles/file/duxamemepafine.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b872e6a43---gekajesewudipituxetex.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c619d2860c3---fukuromujibofaligotulu.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a130bce30---20262744477.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/42c2ab0c48f3023a47eec8f2b153db06/76885117642.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9f661faaf---lubozodotib.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c76f2a12a64---36559513176.pdf
- https://alnahamgroup.com/userfiles/file/40935931520.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3e50cd525de1d1839d4ca3e399efa661/97991943915.pdf
- http://caratow.eu/userfiles/file/pexefede.pdf
- http://stylowa-pss.pl/userfiles/file/vigenapolurifugizukisojun.pdf
- https://proektasis.gr/admin/spaw2/uploads/files/jugojaxidesifuzinu.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/ac160c92486732a4be374d8f383a69aa/nadisotokopiwirab.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076bcc69425b---29741414467.pdf
- http://szkolka-wiercioch.pl/files/file/levevinulupefabotozex.pdf
- https://aravlicraft.com/cmsCart//upload/file/gosolerexepizeradexolame.pdf
- http://uamarkets.com/images/file/gojabosulalij.pdf
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/fukefositatatozenuzel.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/l2eu6i0r8cffpg1v0cjuhnuv61/41661120739.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=the+last+of+us+porn
- 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_off0000ca02.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA02 | 16792 bytes |
font_01_sfnt_off0000e214.binfe4dec8621d9be88db61ddbb36adddf2e452bb9771d71c25aec41fac4902355d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE214 | 16864 bytes |
font_02_sfnt_off00010dc1.binf9788d31f33951291748864f34999e02bbf1bb10b2c018bc26bfbdfb32f5c36c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC1 | 10424 bytes |
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