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, indicating a link farm designed to host or distribute malicious content. ClamAV and ML classifiers strongly indicate maliciousness, with the primary attack pattern being a lure to external, potentially compromised, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d99e2d0741---fonikakobogakukenuget.pdf
- http://moscowprice.com/content/xuploadimages/file/gamugatulefoxova.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16137347f53988---31239864328.pdf
- http://traslochimontalto.it/userfiles/files/xorukinosefidowunarilag.pdf
- http://poliambulatorioargentina.eu/userfiles/files/vurowegirigek.pdf
- http://music-saikung.com/ckfinder/userfiles/files/rorexipinarodovebibewa.pdf
- https://kocarbonag.com/luutru/files/duxotak.pdf
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/18604259573.pdf
- http://rebizplus.com/userfiles/file/wasamusedizepeloluxoj.pdf
- https://podgoricki-klub.me/userfiles/file/jujagokokovafoloruposasa.pdf
- http://werkkledingverkoop.nl/images/docman/files/48448330381.pdf
- https://cordovajewelry.com/images/file/fofur.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/8bv12ov9d61kes9toj81ib9um3/87344094566.pdf
- http://microcement.ua/userfiles/file/51697806893.pdf
- http://jshanwoo.com/ckfinder/userfiles/files/xikape.pdf
- https://rmduncanrealty.com/userfiles/files/nulekabisimomonem.pdf
- http://idealthailand.com/file_media/file_image/file/vesefizu.pdf
- http://qbcar.ru/ckfinder/userfiles/files/66387818737.pdf
- https://bosingels.nl/ckfinder/userfiles/files/zitadel.pdf
- http://divorce-difficile.fr/userfiles/file/loninawanunonuwosigorig.pdf
- http://geojeoceanhotel.com/userfiles/file/20210904125501.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/1768594c38c920c5a4243ff62c74f82f/kugibaluxobujezaxafa.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fff5c6a566---55456361953.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=dark+souls+2+level+calculator
- 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_off0000db1d.bin861af46584b572fd136067088373d11998f6e1dcc207a852c9430e362028670a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1D | 10404 bytes |
font_01_sfnt_off0000f2fc.bin45017446195dad3af1eac8f14ed5940d7c6586971565335c89b6d6e3e21df253 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FC | 18044 bytes |
font_02_sfnt_off00012216.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12216 | 16792 bytes |
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