MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous links to potentially compromised sites strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/o7pe644o3rn51o0jk1q6qfnns0/refefovarese.pdf In PDF document text
- http://solarexperte.ch/fckeditor/editor/images/file/lowaweboni.pdfIn PDF document text
- http://kingkady.cn/uploadfile/files/91235962471.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/kuleguxilofipovuju.pdfIn PDF document text
- https://asoriofrio.org/ckfinder/userfiles/files/lunibevomegetukad.pdfIn PDF document text
- http://villaelen.it/userfiles/files/zisegeviwadejutovokoz.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8356f08a8---87569117309.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/22799120808.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad4e767aac---79115248398.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133579c99eb0---wigofikeveminosu.pdfIn PDF document text
- https://licorne-hotel-restaurant.com/userfiles/file/83384801154.pdfIn PDF document text
- http://n-production.com/upload/fckeditor/file/gololen.pdfIn PDF document text
- http://w-mill.jp/images/file/57683170318.pdfIn PDF document text
- http://notar-frings.de/userfiles/file/bukeluwegosipofarevagewom.pdfIn PDF document text
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/20978227232.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/96702205796.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/58909841129.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/tojudozevuwovenuzo.pdfIn PDF document text
- http://ustunongel.com/image/files/90483867049.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161403d090c305---34118214158.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144b3772a8f6---ruzobaliwen.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614989560efb4---62917378060.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613235ae99c89---lutesalefitigego.pdfIn PDF document text
- https://inijariku.com/ckfinder/userfiles/files/81143353488.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613748bb8b3c9---4990258273.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=mac+tab+between+chrome+windowsPDF 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_off0000dbc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DB | 18280 bytes |
SHA-256: 0e9ca12463da5f8ce462ecddafb40e7b55816d87c589dbff456589da4fee6d75 |
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font_02_sfnt_off00012318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12318 | 10808 bytes |
SHA-256: b32bd8dedb16d1a29bb7cd9540e834064a2245e6f8a2a3b26015f5e7eeee8821 |
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