MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically identifies the pattern of using disposable hosting for link farms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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 http://k-yoga.org/file_upload/spaw_upload/file/20210909230917.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/a2c2ed14b0bdd7603a1c2164af757d7f/wasekaxilugedap.pdf
- http://auto-rad.pl/userfiles/file/duvibuwumabifosixubuz.pdf
- http://nfrostov.ru/upload/files/bijunelomurov.pdf
- https://datatalk.ilvzhou.com/upload/files/2021/09/202109110043515304.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426a82e2387---92905888028.pdf
- http://rajhansnursery.com/userfiles/file/gakufiwufoloruvosogoselop.pdf
- http://vivatbacchus.hu/files/file/5631148997.pdf
- https://klcmekatronik.com/ckfinder/userfiles/files/39469584741.pdf
- http://bargiel.com.pl/ckfinder/userfiles/files/204369082.pdf
- https://aquarell.ro/userfiles/file/gubofibasekagowozomexuv.pdf
- http://robotsuk.com/luckingbros.co.uk/userfiles/files/16357007725.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec683e9f93---17344685101.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9a78afafd---mudalepobo.pdf
- https://datatech-int.com/userfiles/file/18226568635.pdf
- http://tokyo-sanritsu.com/userfiles/file/62010620411.pdf
- https://pet-fashion.ro/mm/file/25681640614.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16138d365c3d8f---17557513481.pdf
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/vadigapakapulajalebojaki.pdf
- https://autoandtruckrepair.net/nbloom/fckuploads/file/jovogopuzefujilefowaletig.pdf
- http://mislenyiallatorvos.hu/userfiles/file/72366859228.pdf
- http://yokohama-model.com/userfiles/files/tanamone.pdf
- http://myagreement.com/UserFiles/file/gajaxidudepalage.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613531c6affbe---lemigop.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+e+myth+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_off0000f416.binfa43cbe3dc42a19d72b3cb00e0c33c4b3bdbbec5333a6b28f80b702faa793dc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF416 | 10048 bytes |
font_01_sfnt_off00010a6a.bin50ae82c3ef400ec649700dbd266a50fa51566721a3a9d1cbbc5638a7a2cd9f2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6A | 18888 bytes |
font_02_sfnt_off00013bc8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BC8 | 16792 bytes |
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