MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to disposable hosting or compromised CMS upload directories. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://feast.to/upd_file/71580892129.pdf
- https://diedacorporation.net/freesiafiles/file/nogezamefekomovovotof.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a17285ce9---jetemanaxizej.pdf
- http://dansensvenner.dk/imagesfile///39060927989.pdf
- http://astro2sphere.com/admin/images/file/70139000511.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/b7107ea4d34d57f224112d89150a5669/vufesepegafixizivezufe.pdf
- https://esprimagroup.com/userfiles/file/gitavoxu.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070a535ef76e---43077802773.pdf
- https://arrayamed.com/userfiles/file/samabosuvavipofejamaru.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/i0g0pg19h0k4n605qin6gnr34b/97643694995.pdf
- http://strandedtattoo.net/file/suvisapivopebezidefemus.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e43edeb00b---dunitowajuga.pdf
- http://aceonlinementors.com/userfiles/file/lesexuwuputajineputonuzov.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/rhdn3go5ajpf6pccpp8rdbhe88/87309681026.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c76b60147---virudovalugixopolir.pdf
- http://alexlunacoach.com/img/editor/file/37488994733.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fff2656a54---93313541341.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/rdtan08uj3ubsq7l9lvhc91fk5/sizinejosuzexebovufa.pdf
- https://sieuthigo.vn/upload/ck/files/58884192700.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/8f20c8f167a0243b6dfee6f326964d6e/46924268496.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f175b7c8d4---48969323654.pdf
- http://chinalabware.ru/d/files/xamisejifofoloxidobufo.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074193e27d14---65179134519.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1f588af90---wojubutufaxokal.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094b3a966a67---35573848498.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=in+the+sun+meaning
- 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_off0000fa1f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA1F | 16792 bytes |
font_01_sfnt_off00011236.binbeb9ba2ec74c7ef47f8ada221b47cce8a207e18b6e3231d9b825ccc1ebf15355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11236 | 10340 bytes |
font_02_sfnt_off00012951.binbec0ba487cefa1c8e958f818c2b94b75310caaa470bf542ed57740c59a4f1712 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12951 | 18796 bytes |
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