MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically related to phishing. It contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098361f638a2---99264427660.pdf In PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076f7870a0bb---12844136358.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/5nda9ffg5eid254k5k6hoap6v1/22769624977.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/melot.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/kodoledajexobe.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c46e324ffd1---tebib.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/7492e459a1829963ca92fe5e16a94e7e/bevudoninoparexogumopof.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095d470c2084---70639927273.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac82673798e---59858879943.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/gowopuxajekepapiziweb.pdfIn PDF document text
- http://batiment-tunisie.com/userfiles/file/laluweragetivokewavo.pdfIn PDF document text
- https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/favowekugifekezev.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff3d363c53---wedemutenufepisa.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/s1ti3uihopn37pk24mraij2gpe/pezegexitemanololabe.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16081b3cfa438d---11527660484.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/77404727cac38814579fb636d540498e/xagikufemikovukurozon.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-6-18/20210618160235586642.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe37d446a6---40150545062.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c105c4ad4f8---noguj.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b6b1b72cd---gizasewujukapafu.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/429612188.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/mexezodesebat.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160771b43571ad---40806909593.pdfIn PDF document text
- https://bodymason.com/user_uploads/files/65433682199.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abaff9a741c---22618706839.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=sdd+document+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC14 | 17744 bytes |
SHA-256: 907b12342dc5e4b760299aacd7a24b4ecc63ddd4a6b2bcc2a3008108e3b5e025 |
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font_01_sfnt_off000109d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121ED | 10388 bytes |
SHA-256: 6d1c512330b8f1b0793d59c23bf35b6d8f14deb03068a6b70b4d6d17ec3b9edc |
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