MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many hosted on compromised CMS platforms, suggesting it functions as a link farm. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation tactic to lure users with search terms like 'fortnite free v bucks hack'. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 https://synerhu.ru/uplcv?utm_term=fortnite+free+v+bucks+hack PDF link annotation
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/20ded41b33ff157e7e802b1c25d39863/83252224447.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161394e9a96666---12929489852.pdfIn PDF document text
- http://oshcongregation.com/userfiles/file/sojoxajoluwivumawiturok.pdfIn PDF document text
- http://museodegliarazzimarsala.com/userfiles/files/xilamonazevawokekufetud.pdfIn PDF document text
- http://balletpanov.com/uploads/files/loxulexunu.pdfIn PDF document text
- http://parentini.it/userfiles/files/dulutinizewikujikozazadot.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/setuxopi.pdfIn PDF document text
- https://illustrations.noche.fr/images/files/89037445895.pdfIn PDF document text
- https://weeb.nu/userfiles/file/fajulumaranutafazen.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/wigasubiziv.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/zezezamulatigadisipe.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210917223615.pdfIn PDF document text
- https://dolaodong.com/userfiles/file/bajanevovibepirexovewebu.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/dinemegasibaza.pdfIn PDF document text
- http://vibrobreaker.com/files/files/xabamezuzoxetigisewulazo.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/lobebufevilubuvopo.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/8b113b8ff86d3b02d177e2621b99bf70/67496145129.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021091204502380554.pdfIn PDF document text
- https://topclassgardening.nl/images/file/55672131335.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/55625569737.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/90280529622.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/wezavuwemo.pdfIn PDF document text
- http://isleford.com/filespath/files/20210907094728.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/sikuvugubujifanuj.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/poteromofamorav.pdfIn PDF document text
- http://tranindo.com/Uploads/userfiles/files/64179530988.pdfIn PDF document text
- 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_off0000b454.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB454 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC66 | 16708 bytes |
SHA-256: b08c086eb85827bdca005738b193b42ea599882b3cc00d6e67fcc144fbc2e319 |
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font_02_sfnt_off0000f7a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A6 | 10764 bytes |
SHA-256: bb2183be78b1044a6ad40f62367ceeaa7c977218d5880b6ec15057c051f85138 |
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