MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress installations, suggesting an attempt to distribute malicious content or conduct phishing. The document body is unreadable, but the heuristics indicate a focus on hosting links on potentially compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607270f256de9---kodubub.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78696db324---fimiludelebapel.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c537c2512c---63523710656.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c334440d74b---dilebixelasepogapel.pdf
- https://watfordfairtrade.org/app/webroot/img/files/dibasisogitiguf.pdf
- https://nevisnews.com/userfiles/82648799050.pdf
- http://traiteur-ribot.fr/userfiles/file/86213230561.pdf
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/cf4302ef783043a1851c72fd04421a0b/59187253822.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987fe2bec27---fotesojabe.pdf
- http://sushiloverca.com/uploads/files/5646329151.pdf
- https://angkortaxiservice.com/userfiles/file/10686949441.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/503b7362f95846359daec88da7ef0de1/vutoxin.pdf
- http://amblesidewindermere.ca/fckuploads/images/file/79715480015.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef182e12aa---puxomevukof.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607775f46e83d---sadapud.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/or9hs1nteo6uo8b2dcs5mck670/neganob.pdf
- http://vintageguitar.ru/ckfinder/userfiles/files/zekemopuvumujegokewiride.pdf
- http://biosite.ru/images/news/file/11250479970.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09de60dd39---39820792706.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/mis36gl2u583ibqkhnsrtcm64g/87837322402.pdf
- http://rayzerfamilyreunion.com/clients/0/08/08e2d5bcffca37c2e1a82d364f4296c6/File/75975676139.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/9dd8e1ece929a3c352b22be8f3e129bf/73027634931.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=basic+bunkering+course
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1e1.bin06fde24609e2b3dd6f08a8dead5b3dcf54efb9b7dbe15c9cc2fd67679b9f04cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E1 | 18396 bytes |
font_01_sfnt_off00012270.bin45be4c62c7522ba822dd39a8fb66494fbb7152098b572b9cf58516b1a956866a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12270 | 10644 bytes |
font_02_sfnt_off00013afa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AFA | 16792 bytes |
font_03_sfnt_off0001530b.bin2c23c4cf4a107e0f085f1062e3b2137e34a463184c6dfca634a24b5c7c36d8bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1530B | 18392 bytes |
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