MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and an ML 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 scheme. The presence of external URIs and link farms on disposable hosting indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=cool+looking+photos
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/9pu10n1ft4b3cd17gkvh2d8ad5/46217053724.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b88568dc0---vewofobuxusoluli.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac785216dfe---gomajizukalidu.pdf
- http://alexanderkanevskyartgallery.com/clientMedia/file/83636410513.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/527dd7c3763cf25cda7b28491ba5239e/35611547961.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160daeb0d1a097---lutefubokelofisiti.pdf
- https://abeess.com/userfiles/file/69319709833.pdf
- https://chambres-hotes-aube-bleue.fr/userfiles/file/pefajevifubebuxegiwixovi.pdf
- http://aarogyamedico.com/userfiles/file/keroj.pdf
- http://musicupclose.com/clients/f/f7/f7c291dfb329fbc33054893077acf627/File/23070404266.pdf
- http://kppzp.pl/userfiles/file/27270267185.pdf
- http://victoryelectricalsupply.com/ckfinder/userfiles/files/kixumigeniturubafin.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/1a39f2e3425d96a97358675dd3652c28/bavij.pdf
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/lakepulawefegupexux.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a5becc6c35c---61720169266.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877478bd1cf---67199145622.pdf
- http://yasaitogo.com/uploads/files/70890843049.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e2036d4d5---kowodejakurarupuxegadu.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/vbgg9pm5eu4r9in2e48bvt6vaj/xinegotef.pdf
- http://esoftland.com/userfiles/file/83927805848.pdf
- http://splogservice.ru/content/file/18740115563.pdf
- http://villa-carlshorst.de/sites/default/files/file/92300890688.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa5df0459a---60485249641.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607810753409e---tanos.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0f009d76b---ripididuwapijikimi.pdf
- 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_off00010d28.bin7a618a23d8320d184c8aad728d233f36e7c08c8cb63132a44d84872009bd1779 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D28 | 17668 bytes |
font_01_sfnt_off00013b2f.bin773d73d9bd22ed7f9f6278e1a53fc36b55b6e63abded5b019b79001f9160310d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B2F | 10260 bytes |
font_02_sfnt_off00015229.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15229 | 16792 bytes |
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