MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of malware. The presence of a visual download button and numerous links to compromised WordPress sites suggests a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to trick the user into downloading a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9864
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d19749654af5a61bc43c01a2706ba521/77305269644.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f9b6d50eda6---kagurez.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/4909b77077b66fb2cffa96a7226f1cf2/xigopodojada.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/hofqhbnslq6lkbn3g6t70vl86q/84840904877.pdf
- https://vico-domrep.com/ckfinder/userfiles/files/72299698374.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160764b959a853---baxemevokigabasum.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ocras6p4iuf8er7l4dv921c5f/22636170175.pdf
- https://moyaexpresss.com/ckfinder/userfiles/files/zonufosil.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/v0sm78pq7sqo3rbum6c5pku3h7/femukiso.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160aeae274d711---67482453959.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b01a0acc8bf---15279139404.pdf
- https://semsaesp.com/ckfinder/userfiles/files/22272199605.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/xonerefebuke.pdf
- http://cherryontop.pl/upload/fotki/file/maxewi.pdf
- http://yonezawanet.jp/units/24250/zcycom/files/loxabijegarexaf.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/721f0ca6e4fc9d8c353e0b1d1d6d10f6/26738062941.pdf
- http://gndpta.eu/news_objects/files/zipipuzovosokuw.pdf
- http://intrinhgia.com/admin/webroot/upload/image/files/sujivexasimuxupelol.pdf
- http://slsnn.ru/content/file/80860346930.pdf
- http://barbusci.it/maisUserFile/file/teruxumatafa.pdf
- https://realxenon.ru/uploads/files/depubojoxepoxovazukogifin.pdf
- https://rosenstein.lu/userfiles/files/besawatuganedovowiwez.pdf
- https://tsydesign.com/userfiles/jws/files/4182624917.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/6ef2517d731b670dd0f04ca0060cb83e/35600897355.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=vertex+shader+3.0+download
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_009_off00017ff6.binf83ea4404d98903686cda171aebb8b77470b1b5ba013d9ee2b42abbbdd388ff2 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x17FF6 | 20488 bytes |
font_00_sfnt_off00011678.bin5af64f3b86f534c31b465f62f247b745dedabeb24faac7ac887fea207ce46e01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11678 | 10772 bytes |
font_01_sfnt_off00012f58.bin55a403f0a36b4f9c531dc1a449ab6411f3d34fa80eeec40f232d85c8ab0fd380 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F58 | 22328 bytes |
font_02_sfnt_off000167e5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167E5 | 16792 bytes |
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