MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and compromised CMS upload links further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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=adjectives+to+describe+nature PDF link annotation
- http://ingpoggi.eu/userfiles/files/86751594422.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/mebibeko.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/5810190956.pdfIn PDF document text
- http://etoprosto.ru/ckfinder/userfiles/files/38934320421.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/65582898040.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/9476207274.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/67820a2df21fa31461c743442d42bde4/dufivuzadu.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/bedokanejeravivoxis.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21c0bb39d8---wifafaxi.pdfIn PDF document text
- http://marketingnews.fr/images/file/47931965813.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/tulut.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160800583905ca---vufinijonuletorekireben.pdfIn PDF document text
- http://condominiobrisasdelnorte.com/userfiles/file/83168662015.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/5509414324.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/vinanixususile.pdfIn PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/tugefefidodegaw.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/rowuzuged.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/98a10988f93d1aea06a7daef0ad12912/rilodinopetut.pdfIn PDF document text
- http://artospace.com/pics/file/73027725283.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb63f74a5a---legibupizoxare.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086708d1b673---70412209967.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/99691410460.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/84268271767.pdfIn PDF document text
- http://screen.by/images/file/17869096452.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_off0000c41a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC41A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC2C | 16460 bytes |
SHA-256: 89a5a4a7759f609d969fb5b131e0fc7d38955a1e7873f41fa1e12cb633c59897 |
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font_02_sfnt_off00010648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10648 | 10732 bytes |
SHA-256: 66e1777ecc4d44b448c710d0eb376c0d3e05f3d69e95d2d3e2940cc5a34b0a9c |
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