MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The embedded URLs and the nature of the heuristics strongly suggest an attempt to deliver a malicious payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a360ea1f3ec---xomaxosomuxobenefirafasek.pdf
- https://casabresciani.it/uploads/file/vizojuwig.pdf
- https://alamansyria.com/userfiles/file/60708147488.pdf
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/15df31fd171b7d862a67983bae345c80/62888326048.pdf
- https://bhsbeacon.com/FCKeditor/file/wopanivozexovibina.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c62e066e17d---71607848597.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/85b819cea35b70be9947b95736374e14/52498781610.pdf
- http://arniestribu.com/campannas/file/83735229644.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ea18b18ab492a7d6f2b9aee2100d2ad8/nozetanigafaxutilolebata.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/bf6eeac0bea5086ccf8d1b6b8ccba582/58491961090.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/drod11jhdrdmg6d3s52nclvun0/23499298397.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/1hs3ebm1e8b3s9iepoarph1val/51483127893.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/9ac4856a8668df6203fc45ae1b917f10/12586315447.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ec0ccda1f---54201323686.pdf
- http://ore-processing.ru/d/files/manatesipi.pdf
- http://turnyras.lt/Files/file/21786780091.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/30602d6ffb339146de0ba8b7ad5a4a84/90983806289.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16080487e26b13---mojizerisuw.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/4d8ab444f990759148a0b436bfdb7713/giparifokod.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/37be8f9f890d89687d433b47fc97cd17/20952158338.pdf
- http://duda-tech.pl/dudatech/upload/file/83981551.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab812ddebc---jovedowevegoxijuzimitapag.pdf
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/2897a34c34ed7581498f9ce117273fca/69131473714.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3f071df38---67875196581.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=spanish+for+without
- 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_off0000f48e.bin1a28b5370d913f0deb75723386cdfafaa1b7c4cc9e7dc9a48c73198ce74c983d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF48E | 18672 bytes |
font_01_sfnt_off000124ed.bin4e6faf4282d2b9d19d94f3abf0f0677109eefc5b0e555942c33b78a6b637d89c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124ED | 10536 bytes |
font_02_sfnt_off00013ced.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CED | 16792 bytes |
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