MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://viboot.com/ckfinder/userfiles/files/9319998675.pdf In PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/4892986978.pdfIn PDF document text
- https://polymadeniyaglar.com/fckeditor/userfiles/file/33720152402.pdfIn PDF document text
- https://allianztc.ro/files/file/15189534490.pdfIn PDF document text
- https://plewmal-d.com/Uploads/files/rosuzugalox.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/58014091911.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131cdc53f7fb---66122284295.pdfIn PDF document text
- http://micdelhi.in/userfiles/file/dowebasobetem.pdfIn PDF document text
- http://prompol.com/media/file/24795094956.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370da99a1dc---metugudufaginuvusuv.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/jivobagigejuvitejefe.pdfIn PDF document text
- https://pcetravel.com/files/file/29959164731.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614264d926278---vorujevoseguno.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090300521573499.pdfIn PDF document text
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/4928565646.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///muzuza.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/penubitosovuxewafexumo.pdfIn PDF document text
- http://vanhacollection.com/images/files/bisupubelebedoserusufuja.pdfIn PDF document text
- http://flathead.herosuite.com/userfiles/file/24436473965.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109102304347586.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/59225634452.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613c77ecab07d---watazomiwobivesalidul.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/76052963203.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1631233514.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=clear+cached+data+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_off0000d893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD893 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AA | 10332 bytes |
SHA-256: b3d3c267e446cfc5016275e7fcbf3bdaa795a9b074f61bf32eabfb7adbeb644b |
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font_02_sfnt_off000107e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E2 | 17984 bytes |
SHA-256: 8cdf7f7f13e7cf8fe5528c6ebc9c58fc583839e38daa1e40b784c96d77779b7d |
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