MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate the primary function is to lead users to external, potentially malicious, sites. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a phishing or malware distribution lure.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://indago-rovigo.it/userfiles/files/12267206519.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087db5b6ddbb---tozefijuzadavuwetap.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55662620fe---45955986063.pdf
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/87916978855.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/ca4e92563fb310a1798c06bb7e962b31/16617392360.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d792d282a8045145d2df39d7d57bea96/53807860791.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/c221a461a0c8875710966c29b0fcf76d/ziwuwipuz.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7ed54aa5b---31236014170.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/48ift68qeddg9o7rklv50avco5/30397418958.pdf
- http://studiorumeo.it/userfiles/files/11655426838.pdf
- http://crackershrimp.com/file_media/file_image/file/tefuzefenusuvolinu.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0fd07911619e64e42a96953a18dd4d14/30778149601.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/20981b255b9bf9af85273e1df8203578/mavorof.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/d45710ea2435d9d2cc321c8a8d4d3de3/bejenabenukidekosimexetoz.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ee1a54a30ee33f5aa24a0aac1529cec2/86170174865.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607838e09496e---tanogawutaligedilapekup.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/vq3dflrc5tdskb0amn2ih7s93g/pojawimepiwiler.pdf
- https://livresdarts.com/ckfinder/userfiles/files/44595735916.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608abdab6c362---48926877659.pdf
- https://jackyrouxmethode.com/userfiles/file/96027499946.pdf
- http://cn-noah.com/uploadfile/file/38968130469.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c863f1b40---70995767424.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=the+giver+book+questions+and+answers
- 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_off0000ef1c.bin9f3dafd0f7b8b7ce6ace0219997f6aabe162fa086bb83ea4dc004577e97e7b7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1C | 11076 bytes |
font_01_sfnt_off00010871.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10871 | 16792 bytes |
font_02_sfnt_off00012083.bin6fe52ba897be8271a868e696158a8a5578a39902403c5137478d8be3273f2f4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12083 | 17608 bytes |
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