MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicative of a link farm used for SEO poisoning or phishing. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/0btmjhi29ekhqbo7hn2rt3rt0h/51414551741.pdf In PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbcd9d195db---suwatopevetagitelak.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/3040172061.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/bumunoda.pdfIn PDF document text
- https://www.sensiblemachines.com/ckfinder/core/connector/php/files/78002593568.pdfIn PDF document text
- http://asfalon.com/__files/file/lomezofolibalibotuxevuw.pdfIn PDF document text
- http://www.physedu.in/newsite/userfiles/files/94818913301.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/72322572358.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a27798423---movonuwixesux.pdfIn PDF document text
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/wemisafosozalusetup.pdfIn PDF document text
- http://pzhjintai.com/upload/files/dibodivawe.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/39126370813.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/tibatikamewimo.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1ab8bc8dd0---97990465189.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/4a93b52c86aea101567479d2238078b9/dalupolapep.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/80339380d3340cf595323808336c3904/bejajedinamilojiloz.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/dewovenuvagaziridemutuk.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/78775299576.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/todabekupipore.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbad771f42---10412187487.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/5j6ncmn1sleoasfqki1bfmql7g/99338099588.pdfIn PDF document text
- http://ratchadatitan.com/UserFiles/File/30393154240.pdfIn PDF document text
- http://studioego.cz/userfiles/file/66439371936.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/wikiporidaviwejin.pdfIn PDF document text
- http://93564497.com/userfiles/xetexu.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/14733054040.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161107001d00fe---58693014333.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=embedded+operating+system+projects+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_off0000bb12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB12 | 15168 bytes |
SHA-256: 5891df45d8e7892c3e4770026c0177e08a071d42d465d676fc56a91825a353cb |
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font_01_sfnt_off0000e1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E4 | 11284 bytes |
SHA-256: a5c8828f54323193cdc5891ca735b3d21643652f3749ad452703e3d6c8040fab |
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font_02_sfnt_off0000fbf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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