MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to potentially compromised websites, suggesting it's part of a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it may leverage embedded JavaScript or other PDF-specific exploits to facilitate this redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
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://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/c8e3ed683c6a0c2662f8d942a4d5712d/68214322094.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160761ed876086---41678720404.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a757d3781ba---wekipafaredev.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607202b9f0b20---31987616654.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aaa24e84d---88839774137.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/eb87f65f39d9832586ea4a617cca5299/63039733187.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b65202ea449---26583574641.pdf
- http://alituncer.com/userfiles/file/21738595756.pdf
- http://apple888.vn/luutru/files/37414146505.pdf
- http://targhevaticane.it/userfiles/files/nojaxidexigenagek.pdf
- http://aps-mes.com/files/file/resarapewuloguvezazex.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/r5k1ssp8apccst0uc1gj4bqvgk/68930817074.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c539296a649---tokegufakozoge.pdf
- http://viettelhaiphong.me/data/dulieu/files/261165490.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/vcph29c8a6a8svbd85q6mjb6g3/4312311799.pdf
- http://ruoumoc.com/upload/files/jajowep.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b60f5529a64---kitubogedelurinimoru.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfddefeb432---172739067.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160acaf175aef5---59248406307.pdf
- http://daindnc.com/fckeditor/userfiles/file/79388459407.pdf
- http://consulcongress.it/uploads/assets/file/41608185612.pdf
- http://kapelski.pl/userfiles/file/6710471369.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a961eae3915---zelib.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=complete+spring+tutorial+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001252b.binbbe5f47a303cd301cc8c65a9fe424dd693dcf7fa38255da452e3792fef1ff0b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252B | 10972 bytes |
font_01_sfnt_off00013e62.bin7f574fa40e5d6d13144182952f49e76ed63e2b73d14ac3aea732eeeba038e11c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E62 | 19168 bytes |
font_02_sfnt_off00016fbb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FBB | 16792 bytes |
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