MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories. These links likely serve as a distribution mechanism for further malicious payloads, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16113596caa161---nurofoludujudisurebaxu.pdf In PDF document text
- https://bloomeng.com/uploads/90660654576.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/tabanilixemanazatonugafo.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/ei38riqkr0nh2jrmhk4drtp7hc/10508858936.pdfIn PDF document text
- http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vosowopovibes.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/dusoxeromovopip.pdfIn PDF document text
- http://stylekd.ru/files/pitubenoxaruzinenoxodo.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b73fbf5d1---ruboxosiluwitidamuja.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/javasorajojetodas.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/fikujirux.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/d908aef36ec068113a44586722dd6f24/mevofujopurakozizo.pdfIn PDF document text
- http://hjhchem.com/upload/files/56914370550.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/lmk6tau3s9ntl30h6ptfi8bp3u/52605435195.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d763e5717e2---wawufegozexan.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/23319686690.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160df9020f23a1---96186186358.pdfIn PDF document text
- http://fw-simple.com/uploads/files/xurolesomumatuxo.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/vidupujetosowez.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdbb3ee411---berefifufaviliwozudifebir.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/lomodisavonigit.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/sepasidubewekufo.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/83057329361.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce0f0dd204---34383793825.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/lugolojizexi.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160838319b2b9d---defogogez.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=rotating+shapes+worksheet+year+7PDF 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_off0000d3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3FE | 10872 bytes |
SHA-256: b6bad67bf8d809fd1ac9991d766d090184d209be5a471f2398fdc02ce385035d |
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font_01_sfnt_off0000ed42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10554 | 17396 bytes |
SHA-256: 781bfef658c0b1fa90d89ae8a5b5e7a06dc5324ba92dda7f2eba20f9e088fb9e |
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