MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the PDF is used to host a large number of links for SEO poisoning or phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://mariapolis.es/ckfinder/userfiles/files/livilejuwiveradabowazefe.pdf In PDF document text
- https://paymentor.nl/uploads/file/bujap.pdfIn PDF document text
- http://rc-modeller.se/images/file///siruxewuxedojenapiwef.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/73980744109.pdfIn PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/lugozapezamekawiwupaguvo.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/15008009481.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/77132352406.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3c5eda6dd---25428648548.pdfIn PDF document text
- http://tunapvietnam.thietbiotoviet.com/Images_upload/files/tozurotoxinaxovubifadilaw.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/23539789519.pdfIn PDF document text
- https://istanajpdua.com/contents/files/fetewujali.pdfIn PDF document text
- https://chp-travel.ir/data/file/pupip.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/vugirozuwag.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/66476417495.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb45075936---89012305132.pdfIn PDF document text
- http://otpetye.com/images/shared/file/85051897082.pdfIn PDF document text
- http://polyalpan.hu/_user/file/woludor.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/fedowowota.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/55c50642df8e75dcf87c9ac0781f2961/55878716927.pdfIn PDF document text
- https://stop-remont.ru/ckfinder/userfiles/files/14763499283.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/wozimuradavak.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136a833aa9fb---24709476056.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+room+old+sins+apk+downloadPDF 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_off0000d20f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD20F | 20300 bytes |
SHA-256: cdd977450e316ab345f9ac478fdce9f81d50e92e218330dd840f93d40a42dc33 |
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font_01_sfnt_off00010660.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10660 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E77 | 10700 bytes |
SHA-256: 83475bdccb388fd75eb7573cbad064d335802bdd9b02131fafc6208212fdcaa3 |
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