MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute further malicious content. The presence of a 'download button' lure further supports a phishing or malware distribution motive.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://atpl.aero/ckfinder/userfiles/files/94819017932.pdf In PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/43830215992.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/5642q429hom487kbmmuel1gfm8/nikidisemaxetugowabedi.pdfIn PDF document text
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/c432982f7bf8bc07dce1298c1451ae91/28756888967.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/5fcc1538b601a81efb7c98a2ba8d6f41/pedoxezugojifixawapaxo.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d0cd9411df3153683432e73cf3e1c49c/nobesinekukefufolisen.pdfIn PDF document text
- http://qachs88.com/clients/58271/File/88510163594.pdfIn PDF document text
- https://oklasik.com/ckfinder/userfiles/files/fiwizufupilatefa.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1c78ad297---mirakuzozujozeroxod.pdfIn PDF document text
- http://qualityspices.in/ckuploads/files/61749182044.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/r7c09cnt2n1m7j5uj5kcpot836/rifarozopik.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808c2fcd5d5---roduferakaxotigujus.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/79275342463.pdfIn PDF document text
- http://alhouti.com/userfiles/file/sijojokusatan.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/tumutobakugupivuwa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4402271f3d---sapunesedigelid.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f79fea74065---83737932427.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/78323903312.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/97ea0dcfee764ea454728c4614c2b1b6/99126938745.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/b595ee15e3b53ca8f5e49c0147e2246d/16012698792.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/f8cc88b2297ed56d62d2de1c38cc8bd5/77201992791.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/xoxijowepupuwizijemex.pdfIn PDF document text
- http://tinhdaurosa.com/Images_upload/files/31599054141.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/8490586403.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/63371528084.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=idioms+and+phrases+for+competitive+exams+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_off0000f86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86F | 10956 bytes |
SHA-256: cbff5c0d5b043221bb67bb899ef1be7b97a6f244192f40b549fe307020d514c2 |
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font_01_sfnt_off000111a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A5 | 16612 bytes |
SHA-256: c02f84a0c93021d17968c50f3a8d05ac6031ec1642e1195c2407fa0a9b1821cf |
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font_02_sfnt_off00013cdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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