MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised websites and other PDF files, indicative of a link farm designed to lead users to malicious content. Heuristics and ClamAV detection strongly suggest this PDF is a phishing or malware distribution vehicle. The ML classifier output of 0.9975 further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://crewmak.ru/uplcv?utm_term=rccg+sunday+school+manual+7th+october+2018 PDF link annotation
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/97eba21e760f91df993a695eacb5598a/80436748492.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/15358342428.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/29686359326.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/taxunibiratexalurajamine.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160864dee20932---lumarukuzem.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/16408178179.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/edc4dbdcdbc15dc927bc339b25f17524/baxarowaranefubusidodobim.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/refikitabowe.pdfIn PDF document text
- http://irk-yoga.ru/upload/files/devonepemalaze.pdfIn PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989a499412f---rusuxukibek.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/5e3deb194fa0914f22f9509f9209a61d/82565660085.pdfIn PDF document text
- http://goodlife88.com/uploads/files/37495066665.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612742502a5b7---67887439019.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/15989811972.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/s03btmig7i966l4thtqjb3gkn2/kagefuwaku.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846a6d4a144---lamimivokaxolufofav.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/36079376269.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/16e5328c022bc3f18fc1f045e2dcd3bc/28812194710.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/84603298395.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5403e71c6---95030354853.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/77227749647.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/32e83ab3707d61fc3e8dd710510563dc/kobaxakividuvinawinaxez.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/86782212873.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/23636295708.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_off0000cc47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC47 | 11676 bytes |
SHA-256: 4b012506b68bf15d7b4524013450aeb291243ebd973717b17eede9f2dc3d07fc |
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font_01_sfnt_off0000e7e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E7 | 17260 bytes |
SHA-256: 0c1304dc80997ff947f6cd9047251a2caf590a7835725b686948b5149485e195 |
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font_02_sfnt_off0001148b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1148B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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