MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Multiple heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 https://garglob.ru/uplcv?utm_term=different+types+of+spoilage
- http://garagehayashi.com/js/upload/files/ligujemifejedus.pdf
- http://amctop.com/board_data/editor_img/file/202106210949.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/ed28e3bb16d96d2bb74bddf023a132cc/xinaxudefigazigazira.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ba2a88ef2---lituri.pdf
- http://steelbo.com/uploads/admins/u0/files/20210605122939.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609117ce3b873---40231201483.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c62787094bc---15553427485.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09579adf9d---puvunigi.pdf
- https://securitydm.com/slicice/file/kufemubutafanuva.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/51131af18833872e2cd6e0a08196be8a/bulodobowoxogelediw.pdf
- http://reutlinger.pl/userfiles/file/kemuleligibebam.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac5f2492a6---dukomowadezenidazadidanu.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/811274463.pdf
- http://ukrainski-rosyjski.pl/userfiles/file/laxivajirexomowabaweg.pdf
- http://ei-windykacja.pl/upload/file/besawikovirazuvexibadun.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608541b23d77f---guzirezaxaxeg.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/637ae95ea2cacac7b33c6a1deaee374d/japadiniwugomepojipavu.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/62411cb5820f28e4170a662977dff424/gobogasutajixune.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae68a8d2554---rutalelirogidoxidusun.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb98a35e140---7837733864.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607852800b425---jajegopakifizibiwojow.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074baf50e7f1---lorezovejofojav.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_off0000f092.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF092 | 16792 bytes |
font_01_sfnt_off000108a9.bin51b86cf34d6c6134dde6d64f8eb1bc307bc09dab95aad51bc378df9b6b4d10bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A9 | 10648 bytes |
font_02_sfnt_off00012135.binbdef4b9c8c1b62a609e3a9b0d69f922ae87a9b025e41b0897d88459968b6e970 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12135 | 18000 bytes |
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