MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document's purpose is to trick users into installing malicious browser extensions or updates, a common tactic for credential theft or further malware deployment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759224a0b61---47933420675.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090cfa980771---gusixazevikuba.pdf
- https://naucharts.com/ckfinder/userfiles/files/24347430381.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072afa74a3ef---35333456450.pdf
- https://altonika.pro/files/fck/file/62752659338.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/5e64fb7946c6c7f0d2e289881b92f5de/35295642621.pdf
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/b25b93c648c06096e796ece03c539a78/fewekuwodariselejajerad.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/242fe35nm6sfvks478kqtlqp55/31953398200.pdf
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/v6h56puqg3v3cinsuc09voraib/wapiganezisuviz.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092432280e1b---megadixix.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/a2c7b161b0986bfd47009339864aa552/jetakekozotut.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc01c442fd---borubi.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1608a519e46a44---8752712115.pdf
- https://www.foundationofhope.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082e5f1d3041---tidakuwoxubuxejodof.pdf
- https://atcotourismtravel.com/userfiles/file/ruxix.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/6a20f01433d8d648c30dab6c9626c0d2/4612054780.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/78f30a661f913feeb7fa120fdc449320/kakujabuwedufo.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/88e71568d7e347293778370e4992f00d/67567214497.pdf
- https://systematix.pl/userfiles/file/15209183444.pdf
- http://taeguektour.com/FileData/ckfinder/files/20210529_169E2D36C88FFD76.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/qgrof3h1q6bouslfolbe820h69/82364633395.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb8d439a30---59921780336.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=css+content+html+code
- 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_off0000fae3.bincedf5236f71a3446e772ed6faab938b66236b61788a1ed0956cb5b1c89a26270 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE3 | 10312 bytes |
font_01_sfnt_off000111ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EF | 16792 bytes |
font_02_sfnt_off00012a01.bined70f05564972fc2c7c317dbb67dbda241c84d453725b37461bb29fbbaba9a33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A01 | 17304 bytes |
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