MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution campaign. The embedded URLs and link farm heuristics indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/38aafad30e91e4bd6f5353220fe5abf5/89601267440.pdf
- https://open-call.fr/uploaded/files/bepobapor.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa5d173219---paropopoxazajepe.pdf
- https://combrooncom.com/contents//files/86109842419.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ed5d3e435---96460618768.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fadb5395bb---golowejadegomaxori.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/d2f067f9f051ab02ed045eab249ec089/letugefuvolakudu.pdf
- https://hotelindigha.com/FCKeditor/file/gaboxemuvifab.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b120c7c76fd---2945646386.pdf
- https://menuiserie-sainte-anne.fr/userfiles/file/81392991008.pdf
- http://dishandspoonproductions.com/ckfinder/userfiles/files/tizarujajotivozit.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a5aeb32db---16360704628.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084e6728159a---95628749197.pdf
- https://heuresromantiques.com/upload/files/dobotivuwagututatebet.pdf
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/vitejoxeg.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6dbdc3dbdb---pufotatefuveverikusafojir.pdf
- http://physocare.com/Images_upload/files/gewolotanuzogezikukoxu.pdf
- http://sonsuadogo.org/Images_upload/files/zosuvonuxewu.pdf
- http://thamdinhgiadaiquang.com/img/files/morive.pdf
- http://baaningdoi.com/file_media/file_image/file/89584577989.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed8d7beb22---56743796417.pdf
- https://hinodanang.com/uploads/image/files/pavel.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cab+questions+and+answers
- 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_off0000f6c7.bin750ddd2064fb9737b06997be401feaaf560f48b6c6f11e3371e5370a8ea6e249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C7 | 17588 bytes |
font_01_sfnt_off000124ca.bin7510af85cc8a116775172c1979e65926a733c5da2a73c51de9fb25a26df6ea1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124CA | 10700 bytes |
font_02_sfnt_off00013d62.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D62 | 16792 bytes |
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