MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains embedded JavaScript, which is a common technique for executing malicious code. It also contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS upload directories, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://gibkrakow.pl/uploads/files/rinelitigozunuja.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074173d6ef6d---98332913494.pdf
- https://www.q-jin.ne.jp/ckfinder/userfiles/files/tivalojaxi.pdf
- https://inverpalmas.site/aym_image/files/tusujagudi.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/07c5fd638cfaa5fe96b55442c5e70c73/fagiki.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/9joii8o0gotfms5mlciti36fc5/pumotodamasewijufikular.pdf
- https://greenlakepaint.com/ckfinder/userfiles/files/10435409430.pdf
- http://waberry1969.com/clients/877040/File/6524928772.pdf
- http://angeladaniel.eu/uploads/files/nunosaluzanijago.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0bf23b5c6---21635728670.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a74bbcad4---zowerisosugedusojed.pdf
- https://nestuby.com/userfiles/file/powavuworalavupovimare.pdf
- http://cdmvt.cz/sites/default/files/jibevag.pdf
- http://obasekiestates.com/UserFiles/file/vodusikegerukofaze.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf582bf276---vepuvidosiv.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60313e3e20---75955596914.pdf
- http://yossy.biz/userfiles/file/kotiwilutemirabozitu.pdf
- http://classiccar-jp.com/js/upload/files/95426495860.pdf
- http://freeski.hu/freeski/file/xipewopifezuv.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/8943d3ef9768d9a820711e36ffbe3ec3/44208159656.pdf
- http://goddesshair.net/upload/users/files/36088055330.pdf
- https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/3669c4f871b055908a4a2a076f0024b8/45477876127.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/5b471beb68c000935ca8d64da128aa82/tiredaromedewiwupojul.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+get+free+coins+on+hill+climb+racing+2
- 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_off0000fa51.bin2ecb153e22e73366812260cff4f9bd3b1bfbc887e539251e7ae860aa9b3f0fd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA51 | 11120 bytes |
font_01_sfnt_off00011426.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11426 | 16792 bytes |
font_02_sfnt_off00012c38.bind1fc374f134bfe2a0f1db9342f213f31d1e0827bb56542076764cc9b47748107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C38 | 18980 bytes |
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