MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download chemist apk' URL, despite being marked as benign, along with other unknown URLs, indicates a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
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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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://bibonatura.com/ckfinder/userfiles/files/miweduxifefoziv.pdf In PDF document text
- https://skiclubraonbaccarat.fr/pdf/3070186550.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/xosupajobipobamiv.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebee56a284---sabezajemanetojigame.pdfIn PDF document text
- http://5m-tti.com/uploads/image/files/tegebuviwipi.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/gukor.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/14370232889.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/mikis.pdfIn PDF document text
- http://letnipohar.cz/upload/file/leniwavukebikumor.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/86826999627.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/patesigebufidagasafisato.pdfIn PDF document text
- https://stormester.no/files/file/lonelogutefawut.pdfIn PDF document text
- http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/66328027758.pdfIn PDF document text
- http://giaexploring.it/userfiles/files/xemoluvuwafakedotu.pdfIn PDF document text
- http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/16424718660.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161443665c9803---duserolasudiregab.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130bf371bf4d---95924547042.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/ruvusesotobegemozixu.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/motexetajijuwogodogoj.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/kowebok.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dagujaxut.pdfIn PDF document text
- http://fairfresh.net/assets/admin/ckeditorimage/files/87252014312.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=download+chemist+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_off0000db20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB20 | 10860 bytes |
SHA-256: 362f9bf86698a69bc6cc4905da46418703169cab7816bf9e01f00b0494f051e7 |
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font_01_sfnt_off0000f409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF409 | 19724 bytes |
SHA-256: e19119e73de0ce72083dcd687250805b0fdf09871e582dbbe17b0f2c003a7258 |
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font_02_sfnt_off0001275f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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