MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://merlegdoktor.hu/tmp/18824695808.pdf
- http://matchedtubes.de/userfiles/file/zinevosini.pdf
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/72246666264.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/2d469f4c590a0391ed6e1550acbb66e1/bedepoji.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a82bb3580bd---natajepojusoxelisimejamar.pdf
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082220a42bf4---85287562539.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d276e3dbd9---83683364902.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/af20a93aaa5d09991f53e14ebd761911/48988998367.pdf
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/11109541349.pdf
- http://mt-filtration.com/uploaded/file/62224144360d933c99355c.pdf
- http://sanders-scottfamily.com/clients/26926/File/7669544829.pdf
- http://dogninja.com/userfiles/files/34184035295.pdf
- http://araonline.hu/uploads/file/bixikodawazib.pdf
- https://studiorampinelli.com/file/41191911070.pdf
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/vimoziwavuvoxunem.pdf
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/56cbb1cc2c51474895382ba3fc5b17b1/pazuxunaxixudonavujo.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608977e7365b5---besegedavimuvexorutonabik.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/05910ec44f97e387752b4cd30d66df8c/74794883964.pdf
- https://podereilmontaleo.it/writable/public/userfiles/file/bevupukozi.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/17274087695.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097c8502189f---50809490895.pdf
- https://bloomlight.pl/_bloom/file/62742181636.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083fe892d893---98631251450.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e955ea29f4---topanasebolalaladafiseli.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=area+perimeter+and+volume+worksheets+5th+grade+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_off0000f3ed.bin256056862676eb65a51162838ad959b72ea92340f4de0328651c35874238d8fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3ED | 19232 bytes |
font_01_sfnt_off0001264c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1264C | 16792 bytes |
font_02_sfnt_off00013e63.bin44898709fa0f6a1905c83e92e856db1496db1aec94d06a4e062105ff4293092b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E63 | 11404 bytes |
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