MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm on disposable hosting, suggesting an attempt to manipulate search engine results or distribute malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/05e980bdc1dc07091f395df82b6e1b15/bosasolimirifabi.pdf In PDF document text
- http://lycee-elm.org/userfiles/file/naxosevegeto.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/535540cc4441d72012307f7c9ccea1ae/61498351681.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/1092thf2hpcbrel7i4svfr9mdq/mufikiluf.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/t22qbvo0j7kthhkh2c699snri4/41514403823.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/7b18c895243ca488d79566705186aca6/nabilividumawasafonipofin.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/264bf6371ffc81018a7def1ce26510ec/faxanilelirumumegulozege.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d28b13823---xozilalidukugaxamufipu.pdfIn PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/8843f6a82f4744e083aead5c2e985f97/6632485568.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/3545752ee1a7189bc7e1a27bbf11b378/pokid.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d41be913325bffac6149f77f8588ced0/14994503443.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/ac0dadf6e3f31c3f90d3d47dc617df15/nafofineka.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/vumuzig.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/75562397773.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c02b7e608d0---5715350778.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e532665ccec0534fdfbbe9e85b055095/9331283130.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/7us6i4qp1v5q60133ktfqjaao3/goripilotubirirojifarofil.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210525100342_69cc3r.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dbc09352a---kokofosax.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/37131935807.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=r+programming+lecture+notesPDF 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_off0000ba5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA5F | 16664 bytes |
SHA-256: 112da2d6bf2f6af4690a633d6cd36d8845e4e783a2b73a41028a98ce7ba1be69 |
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font_01_sfnt_off0000e58a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA1 | 10860 bytes |
SHA-256: da129007a4277d0131ff37844b0f220fa57298707b3f26703e454935e4ebf56f |
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