MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm on disposable hosting, further supporting malicious intent. No scripts were extracted, but the presence of multiple external URIs and the overall structure point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/qe4udpsrgepa03u17dtnlc0jea/lajigabebupun.pdf In PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b06a991bd9---19461081384.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/zavikojekovigulininov.pdfIn PDF document text
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/71082901199.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce8131905---63108716714.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/0art18li23qi4aa034h37hlo9t/55302582589.pdfIn PDF document text
- http://best-infosystems.com/userfiles/file/6364143192.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffe2e7914e---25628382323.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/781bffcde6a56acf5f31700eace0f43d/80184149734.pdfIn PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/9eq5rojrpo53st00skf47mj6dd/69752915542.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/j6j2ecl86v3e5tn9h9gmr9orm5/4513543415.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/5ef339e558d380711e52628d06d6c986/luvimadutufidotupo.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210627084439.pdfIn PDF document text
- https://penzionradvanice.cz/res/file/77885651627.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/wegudalowid.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/46729640997.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/xowibavitenowepibulapiw.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/6f667546462711026daae3de99e7b6f0/femegujosufotig.pdfIn PDF document text
- http://mientaytourist.com/uploads/files/fasemoki.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/rirozanet.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210507102227_615684432.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/65116512674.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/75d6984dc75d7ba8fd465fecb8b18c0f/8967349815.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/gesobavemoweporef.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608492353e8af---babovugegodazija.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/xuzexuxebaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=emergency+operations+manualPDF 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_off0000d764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD764 | 17020 bytes |
SHA-256: 904c3b1d22194017615037c40e97d5f7b42071941085d32abb7446b68d483f2c |
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font_01_sfnt_off00010375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10375 | 10916 bytes |
SHA-256: 570d92aaa7ace69c757957534cf7947708592cb8c96b8a81f13e3fdcd2e523c1 |
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font_02_sfnt_off00011cbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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