MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs pointing to compromised CMS upload directories, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/cdc945e0c857ce38b76d7a0d0bc78c5b/60277394244.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/6siqkmua7e8hkuid73veq6bdqb/gobapepebut.pdf
- https://taechoclub.com/FileData/ckfinder/files/20210604_F146DE19D6297690.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/6e7172792d7d1a8c33db728435053d6c/zowedobibupok.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/7rbufvk1c3ve616r5tp2bun5ij/juripezadanilasaj.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2612e49ab---pobezezifewodon.pdf
- https://xehowo24h.com/images/ckeditor/files/99936925952.pdf
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/e32ebdefb550fe15365fc02977120f4a/tezefabeb.pdf
- https://mmszke.hu/files/file/76468979720.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703e9420c12---69269421502.pdf
- https://kp-bs.ru/upload/files/biwowawojutatumigizizuvav.pdf
- https://1877painters.com/FCKeditor/file/wozagod.pdf
- http://alituncer.com/userfiles/file/zepurekami.pdf
- http://gdwtechnology.com/fckeditor/file/23899587447.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160979c9df3b97---gabexaxakebademul.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/of8pljf7l1mss7700ifsmh8aba/96481967728.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084048dadb8c---50105839543.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160838f6d7dda1---titefur.pdf
- http://goksirlambinowice.pl/img/upload/files/45401581196.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/91d305c1be0bfeada216f1e5057c4703/faran.pdf
- http://przychodnia-felinskiego.pl/uploads/editor/file/38055858535.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608364a206716---nusun.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/b023cefbb58cd701727e103017b0f548/menatesovanu.pdf
- http://gamax-motor.cz/data/dokumenty/61914568117.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=diagram+maslow%27s+hierarchy+of+needs
- 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_off000101f0.bin24abde96974858a9955586135f3052c5cf798bcd3839856bb87c1b0c08adb578 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F0 | 11060 bytes |
font_01_sfnt_off00011b5b.bin62dfb852ce15058d29f9a0d46f3e55ace30fe49e090994c04584b33a23059204 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5B | 17260 bytes |
font_02_sfnt_off00014875.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14875 | 16792 bytes |
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