MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, indicating a tactic to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608646058089c---35321015948.pdf In PDF document text
- http://exantusfamilyreunion.com/clients/9/96/968554593547eb574606130639276270/File/73627683296.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64e784abe2---susub.pdfIn PDF document text
- https://porterbrothersltd.com/app/webroot/uploads/5048315898.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083955d67136---waverisexuvujiseludorif.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c13b47dcdcc---27392351278.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb8ca3b150---8372163572.pdfIn PDF document text
- http://envigest.cz/upload/file/lokupekiwojazowutagelut.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a39c3aec456---38482399838.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/50847599696.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/wemoj.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/88665357693.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/wupiwuxiwanudakumi.pdfIn PDF document text
- https://rozgarnetwork.com/ckfinder/userfiles/files/vujogirexetisiwit.pdfIn PDF document text
- http://hollandunitedreunion.com/clients/5/52/52f3fdf721cdccceb566e47094f1d9de/File/24557437189.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/76346866191.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/6aee242e39cba807ce66e28885f3a2bf/6422632229.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e69833bccc---vajefulosarezotuzerifofen.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/lenefolivar.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/89015964854.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a5bb93ec3---14821718369.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd1ed8f9cb---kukunu.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160be042e4b071---62794414812.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aecbdb8f18c---temateborazevidawogipix.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/936d80d8d9ea80d0613e9f2c5ae1c893/3794969538.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=second+conditional+test+englishPDF 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_off0000ca00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA00 | 10624 bytes |
SHA-256: 40cfe717556b5827d8b75c0250c026dbd4afe6060af5bb6e530c3015142c9f2a |
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font_01_sfnt_off0000e204.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE204 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA16 | 16824 bytes |
SHA-256: 0a79d4bf2fb361543f6c477cbd3b1ec51b54e742b9cfc48947b6645704535962 |
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