MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting it's designed to redirect users to potentially harmful sites. The presence of a URL with 'root booster apk' in the UTM term further suggests a lure for potentially unwanted or malicious software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://irlanc.ru/uplcv?utm_term=root+booster+apk PDF link annotation
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078c5736b6a3---81750772592.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/8ead313873d38d7f0ee58217f1036e69/jukojolejowika.pdfIn PDF document text
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/54872796939.pdfIn PDF document text
- http://fairview68.org/clients/c/ca/ca24e3df3ff7fa9b839de6c08aba9959/File/39243005546.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087cbc81338d---61961123112.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160d51ad16df9a---minifusowedef.pdfIn PDF document text
- https://hostessima.pl/userfiles/file/39505115802.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94620bf528---26819074369.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a722c9c4a35---lutasuriv.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/31979356480.pdfIn PDF document text
- http://insidethedigitaltrend.biz/userfiles/file/73683697208.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/ad0bef57d3d8f0c92dde8163af304dda/numinuruwotigereb.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609240685514e---95708958539.pdfIn PDF document text
- https://armenia4d.com/contents//files/navuzidoxokamedav.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c20a986e1da---tunixaro.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/ncn8e1e8hu1tqcr3m2lgtenfe6/77264929432.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/vu67opksl8cr7e1po8iubnl33b/49850186552.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/muvjcuftmq1gmquot7clo97bkt/46669677445.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog//file/gosiwovixadek.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844c15b629d---nabilujabuzibivizavowej.pdfIn PDF document text
- http://zbraneklapka.cz/ckfinder/userfiles/files/bifimidotedisoj.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210604015918.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f9d7318f9---totukezutenobubufelowoxiz.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/83510232998.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/vujarujiduzoxonokope.pdfIn PDF document text
- 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_off0000ebc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC4 | 23332 bytes |
SHA-256: 96080d44d58b8add4bfdf55859022dff0555fe737f6c6a0def2617fee38222d6 |
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font_01_sfnt_off00012575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12575 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D8C | 10280 bytes |
SHA-256: f3ee6dc2c143e3bc24be54c8bd919c66c9b558c70ede4202cf6967e8ccf07212 |
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