MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to compromised WordPress sites, suggesting it is part of a link farm designed to host malicious files. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security and deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608db7d41c369---23169010662.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/1235b447fa1c6d4072dd6fd0c98469ea/jasixavunanasunev.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bhdg9uep4phnhj4kou8vpilnf6/32480835229.pdf
- https://cupanghitam.com/contents//files/43895787094.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a6fd5d2fe---82560466930.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160929ef919b71---23798174806.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a09d8193586---75366128051.pdf
- https://cornerstonelaw.eu/userfiles//file/wexetezuvadoluduvudufo.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b51bc31de7---79982741724.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/9c0d8c1ca1afdfc55e8502510e28a4e1/vesipekebibakupetulu.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/2e8f8a571331e3643cf203436e610e95/19633644105.pdf
- https://mfdesign.hu/files/file/48090761664.pdf
- http://work4shop.cz/userfiles/file/rafumaga.pdf
- http://theleadershipworks.com/PO2/UPFILE/userfiles/files/95507516263.pdf
- http://sattosushi.com/uploads/files/58567986341.pdf
- http://dagmar-e.de/userfiles/file/zavufewefamapitoxopepab.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608888986d8d0---76234088295.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/954f592ef9f15d97cb0753d01190d416/dodusolofufelodoxujetob.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d80e700213---fofedibodukaxajumararameg.pdf
- http://sarljarry.fr/userfiles/file/wotasunu.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/36beae4b308e11a4e61ffb7d0e9a7650/zexivakalugozepi.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a953a9eddf9---zulexofeku.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/161f64d15315b302433af8aa9d736546/4985837788.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+careers+for+mothers
- 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_off0000fc5c.binb1483cea1eed385392395914d45e923b967675558ed3a49b024e568d4a05c49b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5C | 10412 bytes |
font_01_sfnt_off00011401.bin99124356d2cdb3c1fa9cd89ef96ddf84e076b4f15a2e6a2e557447b21aae7530 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11401 | 17740 bytes |
font_02_sfnt_off00014216.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14216 | 16792 bytes |
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