MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick users into believing they need a password to access an archive, likely containing a payload. Numerous URLs pointing to compromised CMS uploads and disposable hosting were extracted, indicating a link farm designed to host or distribute malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/hdlhbme5sk4dnchjl6outd6uo7/43993919484.pdf In PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7e7a00123---nikagewapelimo.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160989943d8629---20722757913.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/732362098.pdfIn PDF document text
- http://bean2beenefamilytree.com/clients/60578/File/26023460907.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160beafcb12f29---92379402937.pdfIn PDF document text
- http://teckim.it/themes/userfiles//files/jevazuzuripe.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0201e7435---finiferupe.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/01f46e811bd8ec81e5b0a6680d620f36/52765118360.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/tijemox.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/6o272f9efvrim6dc2eqhmu5gkr/fexaganudowivepitogawis.pdfIn PDF document text
- http://airlineclassof66reunion.com/clients/c/cb/cb51827d251551eca15067b3b23580a4/File/kidogezujenanafan.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/dbgr0qf1bkloftvc6qf7qrhao8/bisimuruzovepetipen.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ed5enpn0pri1djn9fjpibllufm/58143032401.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/thtj1lg3u6mdr7n6rivp72dpob/togixuxukurekepugonetedu.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160835b80b704a---47857469311.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7111d17331---77957925795.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b218367f16---61492185746.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d6e55bca4---49209438384.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/njvvsfntp5grcosm7cujn3pkga/rakamaxadutepirog.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/sbn6kg2hi4go2v1a03oos7d0di/muzewawozirenakafukiwomal.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/fogijiwaboxituxonutawedax.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/61459e2786343ecba97e0816d4d84a01/sexafekodijezaxorawonu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=stock+android+file+manager+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eae1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F3 | 17188 bytes |
SHA-256: ad8035df1ee4eb220d664a557ba2a1c2d9b6cd8f595c96e066714156049590a4 |
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font_02_sfnt_off00012ff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF0 | 10964 bytes |
SHA-256: f07504294e9b0840daa8f2e7fc268e5e9a8fec7b26a778ff3df5ceffc3ea6f7f |
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