MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to host a large number of links, likely to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 https://allytemp.ru/uplcv?utm_term=90%27s+trivia+questions+and+answers+printable
- http://banghetretunhien.com/media/ftp/file/69584169218.pdf
- http://ohana1bbq.com/uploads/files/53342893812.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c237f244d75---sinedodolene.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160810f382047a---lekonejidapopivabomavogo.pdf
- http://yossy.biz/userfiles/file/gidazuluwepikobax.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/qua3ggmcfhf9rmu801b0tsoghj/botubivelefepalam.pdf
- http://ordinate-ltd.com/file_media/file_image/file/75026909317.pdf
- http://stroisvias.ru/userfiles/file/50114805508.pdf
- http://moonlightmontessori.com/upload/files/lesizogupa.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8edf975e1d---zibisemirelebasonuvu.pdf
- https://ludifrance.fr/userfiles/file/92920667430.pdf
- https://gagiongvitgiong.com/ckfinder/userfiles/files/82137803487.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077083dc8c08---53278381464.pdf
- http://yaqeen-eg.com/userfiles/file/80480855485.pdf
- http://hrzservices.com/uploadfiles/file/xoxal.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0608cb9e9---53860881050.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/160ca4f1666f02b85e8aeff29c7cbe96/15819579281.pdf
- https://samowar.me/userfiles/files/ruwexakuwufozinufivelolo.pdf
- http://aliceinformaticasrl.com/user/pages/19722558409.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609084a48ecf4---xemezevud.pdf
- https://hanahana.vn/media/ftp/file/36719403253.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_off0000ee80.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE80 | 16792 bytes |
font_01_sfnt_off00010697.bin9228e4b5928421de453bd36830e292750548c4f035261993f73f099a137c0546 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10697 | 11148 bytes |
font_02_sfnt_off0001205e.bin29445529eaf9af247ed2342f71a17296638bc64957193a5f21b3c23d7e3df557 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205E | 17596 bytes |
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