MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document exhibits characteristics of a phishing lure, indicated by the 'SE_PASSWORD_ARCHIVE_LURE' heuristic and numerous external URLs pointing to potentially compromised WordPress sites. The document's structure and the presence of external links suggest an attempt to trick users into downloading a password-protected archive, likely containing a malicious payload. The ClamAV detection further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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://crysiq.ru/uplcv?utm_term=the+norton+field+guide+to+writing+pdf+free+download
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727eb9384a0---juvirewu.pdf
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/42653258394.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dbb3708b39f---xutudupopibokofaxa.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f664bd0316---22542288932.pdf
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/45453587019.pdf
- https://acryl-bg.com/userfiles/file/1664694637.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/1fc5b167872e27e57f4c5c5c5aefef2e/wumejirojijiwamiwazolufor.pdf
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/lqt2g7vpaef738eoncsmrl7p1j/1863673987.pdf
- https://accuratesearch.com/userfiles/file/nogisijivusawijagu.pdf
- http://agiusfuneraldirectors.com/files/file/8628933127.pdf
- https://dacola.com/upload/files/wajilepitunopodokifusisim.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf0ee2c187---72086090398.pdf
- http://policylic.com/uploads/files/23787201035.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d080fea217---35303471442.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/cd434b9b89c5611c2894357f14cc0287/zemesadezosano.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca18311ed2---88714984956.pdf
- http://www.annaleehuber.com/content_files/file/7690402933.pdf
- https://vibangnhadat.com/uploads/files/mejamalunikev.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16084e736543fb---livalitaserademarej.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/7dba12b8a909883740365680ebb36fcf/getofajekupiladivoluwefo.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/s02bhcfunctb0866lnro12epda/34863359358.pdf
- http://tuzvedo.hu/elemek/file/6617707647.pdf
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/tirubin.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/06c6eb4a097c7549be3175a83a8b257d/dafirovamakojadojodo.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d237046d4f---79962522047.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_off0000ebdf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDF | 16792 bytes |
font_01_sfnt_off000103f6.bina0fd545fe01cf1c7c3d57f9a1c1a2fb532e32603ad8bd2c151ef3f85c9c43bd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F6 | 10760 bytes |
font_02_sfnt_off00011c75.bin6c782eaeaa2f962c957a86c45b0b61b0c5c4d521916fed2b8e731aec87660b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C75 | 18008 bytes |
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