MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to distribute further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://fitviewer.de/files/file/18663833929.pdf In PDF document text
- http://texmet.pl/userimages/file/linojepuzifaganumavupol.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/zulefirevotar.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/1uamsg4c407o5p113npu25t3c3/kabogoraxajojupij.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c84499ae95---66368514436.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/nqnip7i1cc82ge22nor3uaqhvl/66323874698.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa8596ba67---45760876989.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e63c168551---18981815163.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/07de67c792b6db5604daa4893769cc1c/kaxemifazajomidesimukuxid.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/97764013406.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfdc4efc1e---wibemarurowog.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/8e60d23c1cabcfc7c777416601307058/64904097988.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896128ec82c---didezaresivekiginel.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/adf48a824db0b39304b332181c409f27/vebegivuta.pdfIn PDF document text
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/2803804d0972386b212393f713423c1d/43998219302.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ebff4b97e---37075605732.pdfIn PDF document text
- https://beytarimcilik.com/admin/editor_resim/file/bazumikoni.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/silifubego.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/47dd867205ebf3f3ff80d576524976aa/bomuzenabapelivikozu.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769b28e97e7---zujawivo.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/61558456154.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb5807680c---26057313831.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/muregifux.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/82764893531.pdfIn PDF document text
- http://www.bash.cl/media/file/28341699847.pdfIn PDF document text
- https://amatnieks.lv/pictures/image/2451466495.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=english+for+everyone+english+grammar+guide+pdf+downloadPDF 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_off0000cbe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE3 | 18400 bytes |
SHA-256: a90efe5abb1ac19604f23d309aa008e3850196e5779ac85786353d0a74bafb7e |
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font_01_sfnt_off0000fbf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11410 | 11196 bytes |
SHA-256: dfec5cb50666546568427e476e926c1cfd2742c7daac346ce683b61f0166fa1e |
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