MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as containing a link farm hosted on compromised WordPress sites, indicating a phishing or redirection attempt. The ML classifier and ClamAV also identified it as malicious. No scripts were extracted, but the presence of numerous links to potentially malicious PDF files suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160887ebcd66a2---78910338467.pdf
- http://sinoscaform.com/upload/ckimg/files/202108220018468346.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04f18cb5ac---91359111694.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba59ee008---ramut.pdf
- http://lagrupacio.cat/file/58828070223.pdf
- https://motelandratecuci.ro/userfiles/file/7883891783.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ud76ioq8v49v3uiu6i4h18toka/vanakufizupude.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/9830153b0982694b3d0504de276c214f/gozowozo.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/8sqhukvt1bcmlk52qa67gg9ds1/98057033697.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cba7a3bb793---tinukelik.pdf
- http://musiclivemarsala.com/userfiles/files/duletokoku.pdf
- https://fiscalonline.eu/app/webroot/files/userfiles/files/71565677280.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9ea44b498---ganifedut.pdf
- https://santa.sg/images/users/00000000/files/44859880074.pdf
- http://automotiveenergy.cz/userfiles/file/rijajemaxepijavifejofeke.pdf
- http://zulaikhatextile.com/userfiles/files/zubavodujofapalotavefu.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161012cba89fff---zelafatime.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086dc5545745---71206649844.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3837e2c7cb---puturevobi.pdf
- http://centromp.it/userfiles/files/49184410366.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f36e3c725e---nufozikilutijo.pdf
- http://a-aqua.fr/ressource/site-image/files/87127291451.pdf
- http://cn-noah.com/uploadfile/file/500321943.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/dabdbp3hsv9f7oq796s9stfm1q/nukimikexujinez.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=max+recovery+insanity
- 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_off0000bc5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC5D | 16792 bytes |
font_01_sfnt_off0000d46f.bina99506ecc819d2eaa93f83003799f0292d2938c69dc9f2b0ae30196b1e43cf72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46F | 15956 bytes |
font_02_sfnt_off0000fd2e.bin09d31967ff0b18417f7965f7423fd6abfde8f87e85cc204776827304108ad9c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2E | 10452 bytes |
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