MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan distribution attempt. The document contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term=tutorial download android studio' in one URL suggests a lure for software downloads, likely to disguise malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://chameleoncoupons.com/adgprocessing/uploads/files/gatonaxab.pdf In PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/29043015156.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/zefojajudejatizafedivepim.pdfIn PDF document text
- https://ce-mi.pl/uploads/userfiles/files/40711903985.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/95695461060.pdfIn PDF document text
- http://www.dawnrotaryclub.tw/UserFiles/files/40375237948.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/fagapidezil.pdfIn PDF document text
- https://hse.tw/upload/file/62190813061.pdfIn PDF document text
- http://3q1p.com/upload/file/210901143205402626cvfu586r0d7z.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5214150c6---18061103564.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/jufirero.pdfIn PDF document text
- http://sgrdinstitutionspandher.org/sgrd/userfiles/file/29142970179.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/75643521504.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/49159080678.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/93119728037.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/xusamumiwubago.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614510a2206b2---nipuwelalel.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/lovasewigefet.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/98120326099.pdfIn PDF document text
- http://dagmare.de/userfiles/file/68763966823.pdfIn PDF document text
- http://design-klasse.de/ckfinder/userfiles/files/41767986915.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613594f7d99e5---52227721595.pdfIn PDF document text
- https://termofriz.rs/files/xaxikebok.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/8752477954.pdfIn PDF document text
- http://kfgame.snailgame.ru/upload/files/20210908143715.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/11388540509.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tutorial+download+android+studioPDF 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_off0000b2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2FB | 14164 bytes |
SHA-256: 5259923de5b5a1e55784577882e2b82256a3abd782f3db37ae6d7850091e194a |
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font_01_sfnt_off0000d633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD633 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4A | 10260 bytes |
SHA-256: 3c62f67875df5b8c37eeebed77a9a78004292efd1d3c7236a35f1de4df6d12b6 |
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