MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan PDF. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9872
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://garglob.ru/uplcv?utm_term=chapter+3+worksheet+answers PDF link annotation
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/0p8qfmkqabqr8ej26d4dpmrsf6/gakaxetavovonobudarawuwi.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7b6416acd---80113146879.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/68804dfc7e265f2c7782bdd2861e5b5d/diwuligaretolilibipux.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf169f243b---44946616559.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/6802288877b252ebb2dd0a5034be8db5/difuwol.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/fumafogokokasagujuj.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/50b1e0a4282bff3b441867c22c0e9a10/tuduvifawajar.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/satokizunom.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a88f6abe25a---sariruwopotudakipudenamun.pdfIn PDF document text
- http://maihome.hu/admin1/file/ramojox.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c77d022c061---wufejazanolavijuzasusiw.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/40997866443.pdfIn PDF document text
- http://geoplan.su/userfiles/file/masalatenizi.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aec5fc33b66---nedutukilimijowoso.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/22604627446.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/zazinanepejemem.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c8da794e57c---87574749908.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160906b97ed861---20955364623.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/rilebuvefexerigegogaki.pdfIn PDF document text
- http://cintabogor.com/Uploads/userfiles/files/5347822692.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c59a6f88e---60320767363.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/8l6m63uafr4os0kvv1ludn9rrb/64310201206.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/sisojesebolar.pdfIn PDF document text
- http://meta-min.com/files/63936463097.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C7D | 16132 bytes |
SHA-256: eb83fb48a2f60ac59fad768156047f025764cad4052c8f34695a9c8dd2456ad8 |
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font_01_sfnt_off000121ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121EA | 18556 bytes |
SHA-256: cd7b7523ffac13de1b41df19da65b9e7d9e0af44425d05892af4ec714ae1fe84 |
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font_02_sfnt_off00015359.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15359 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00016b70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B70 | 10592 bytes |
SHA-256: f5f2f59829dfbfbd865f37b19e92fb016f54585eff3a97ed3307bb3e9801d302 |
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