MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm and a callback phishing lure. Although no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious sites or engage them in a social engineering scheme. The presence of numerous links, many pointing to potentially compromised domains, reinforces the phishing and redirection intent.
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://cattaneoarchitetti.it/userfiles/files/zozumowukisovejaxeluluge.pdf In PDF document text
- http://angelofthewinds.net/ckfinder/userfiles/files/zekunimuwatinugivo.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/72269630959.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/vebonejebibopiluwe.pdfIn PDF document text
- https://kaparatt.com/images/File/gixapifilarel.pdfIn PDF document text
- https://emons-verlag.com/testarea/cwsCMSlight/media/files/40197865194.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/dikab.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/dofikuvutik.pdfIn PDF document text
- https://zhansq.cn/upload/file/98960350248.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161334e39b2640---xuwuruv.pdfIn PDF document text
- https://tgvl.in/uploads/fck/files/53793983350.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/jofebabagegexuw.pdfIn PDF document text
- https://terracell.info/images/file/nizexelozivagolofopijuvev.pdfIn PDF document text
- https://muachungbaohiem.com/uploads/userfiles/file/pemukusebinotowigin.pdfIn PDF document text
- http://ertekeles.diakszempont.hu/userfiles/file/riwipowotawejaxojanon.pdfIn PDF document text
- http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/5556252441.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/riwipanodipukenofek.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/56511954999.pdfIn PDF document text
- http://hondatayho.top/img-ngocbao/files/89525421361.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/3720659187.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/wiwulekozofavamiv.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/xomajisiwazepedod.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=battlefield+3+mod+apkPDF 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_off0000b3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B2 | 18768 bytes |
SHA-256: a4fce22d3525601e6554c6ec11d203bf7d32334c11982b4b581474d8ee06b30c |
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font_01_sfnt_off0000e361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE361 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB78 | 10604 bytes |
SHA-256: e3d56a2eac48adafcce2c61fcd9e466b0acd2ee53ff221a5a73042b2b717a0c8 |
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