MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm used to distribute malicious content or redirect users to phishing sites. The PDF structure and embedded URLs are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://philabc.ru/uplcv?utm_term=conducta+social+definicion+pdf PDF link annotation
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf81b6e759---kevanivunowibe.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609acb5f4d22d---situxuw.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4d074d12a---46896401917.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7e7c270e6---womijofodexoma.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095205379556---75356817992.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/e910cfa757481a3664e0a731efdf461b/woniwakofesimizogitifojin.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127703f03f50---59353621533.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/9l9euknenv4tfnlesf25dpe353/38296639039.pdfIn PDF document text
- http://textingrights.com/userfiles/files/87092816556.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/vt4lpmggav90u92qo2qtldegbu/86911866298.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16087572d446b6---wokemugukifigewoxufezeze.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a562ee1233---20999991496.pdfIn PDF document text
- http://dreiseengrundschule.de/files/sirafudonotanodivogedu.pdfIn PDF document text
- http://armanetti.com/images/87732607412.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/a7f1982c79b8ad65aa8fb57898c48fe0/44107196737.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/dj753oipbpfj61g14o7q9j2or4/muperinopaku.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16081f0e5dda45---wojesibepatinivizulum.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/sanewiri.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091d95c69912---70476330264.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1611fdf7f3eeb3---71551841289.pdfIn PDF document text
- https://uclerbaklava.com/resources/file/63430797438.pdfIn PDF document text
- https://mszukam.pl/dat//file/komodogitedeluvavole.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/66560692101.pdfIn PDF document text
- http://www.vnos.vn/app/webroot/uploads/files/64413632083.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160935316475dc---3656932109.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/bekekotapori.pdfIn PDF document text
- 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_off0000f7bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD3 | 10644 bytes |
SHA-256: b045fde4c383d87969e8ae806afa03dea0b529ea194b4c728c4d44c454d55304 |
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font_02_sfnt_off00012857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12857 | 18968 bytes |
SHA-256: f175e7248cd2c598a7526b2c8e9485b09f7e9a2be687fdd71801c8437cdc9b62 |
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