MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of these link farms indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149723a92877---94525689365.pdf In PDF document text
- http://come2menorca.com/images/file/84129401699.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/62308897974.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/dabuzukowuvarigi.pdfIn PDF document text
- https://monyetmesum.com/contents/files/jujezujemilejagiki.pdfIn PDF document text
- http://apisicul.com/userfiles/files/41428547487.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/51080418666.pdfIn PDF document text
- https://bonekarusa.com/contents/files/lafibexoxa.pdfIn PDF document text
- http://25630638.kad.tw/kads/ckfinder/userfiles/files/xiranuxegoje.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614629c2ee1c4---11582688722.pdfIn PDF document text
- http://digitalpolicycouncil.org/imagenes/file/vepazepetevane.pdfIn PDF document text
- https://digireg.org/upload/tivimelalurowim.pdfIn PDF document text
- http://skisun.it/userfiles/files/61736531674.pdfIn PDF document text
- https://www.nstoplana.rs/ckfinder/userfiles/files/bivowetedupofo.pdfIn PDF document text
- http://xingyeknitting.com/userfiles/files/21848721728.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/39906160274.pdfIn PDF document text
- http://viral-list-monster.com/ckfinder/userfiles/publics/files/27171933676.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-5/20210905095159447530.pdfIn PDF document text
- http://hasanmasat.com/ckfinder/userfiles/files/xusifidereto.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/fugoladoxo.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614caf510377e---35172676480.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/14715389027.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143cfca54727---leranuvowalutabov.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=free+star+trek+communicator+ringtone+for+androidPDF 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_off0000bd89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD89 | 17980 bytes |
SHA-256: e96e317e7049d05595c86e311c93a3350f1a8c70b8b355a9768695d4405cb77a |
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font_01_sfnt_off0000ec31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10448 | 10944 bytes |
SHA-256: c8f24d6e75f1aba3b7cc04f42a8115869b3e20614cc6e70bfa45c07d1c01843e |
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