MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm to distribute phishing content or further malware. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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://garglob.ru/uplcv?utm_term=comprehension+passage+for+class+5
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607853da19a0e---wibelobifokub.pdf
- https://ruiguoex.com/upfile/files/2021/06/04/73883870902.pdf
- http://alacarte-grafik.de/userfiles/file/82010244929.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/33e2c8072343d5a1a3f07269b2c6f3ca/9730514046.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072264c7562e---towenanoxezivefewujebix.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf22085b6d---61787125862.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/56d90b49882e81fb4b77a37f4a9d356d/zewunamodojamesazupul.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1608f72385de67---72417965267.pdf
- http://zulassungsservice4you.de/bilder/file/gebumazaxuvim.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/9cc4443364054658d92ababc6ca9a6dd/2483319953.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098473010087---lubisidigoguna.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/5ca0b1e691d7c97b773d929f1011a260/vifupa.pdf
- https://toolsatool.com/userfiles/files/noxuvumigijuwi.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4ac4ee782df4482c40f3434528bc3970/49161312817.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/fe7545b3877d15f23f58a50cf785ac9f/tojibuvodiwirevubijotuza.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609330774bf8d---81233087134.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/37bbb3b6caf11472c7c5cbed0c8387ff/4009523051.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/9nv78gi010aa9hrpqnq4g9ja5a/nafudatorimenud.pdf
- http://myexamadvisor.com/fck_uploads/files/powakupodowife.pdf
- http://all-pass.com/folder/editor/file/52867127527.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a487131d0---kebomawozepepesuzufoma.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16079de3d4389c---ruwake.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e58b145ad---65006241036.pdf
- https://atlastoursntravels.com/userfiles/file/4806964618.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccce62c2f54---63678341841.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087156faa18d---38350989251.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_off00012df2.bin474bdda059095ec9596d8e150727b978ba7461fbdc84c84ddf5b79e59edbcc31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF2 | 18528 bytes |
font_01_sfnt_off00015d3e.bin1586052cc13224ab589025c886445ddd1f0bf6358cc7006cb7f93df0d76ec50f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D3E | 10996 bytes |
font_02_sfnt_off0001769e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1769E | 16792 bytes |
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