MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm is a common tactic for distributing malicious content or redirecting users to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://catamma.ru/uplcv?utm_term=android+mmorpg+no+autoplay PDF link annotation
- https://www.idd.no/ckfinder/userfiles/files/velez.pdfIn PDF document text
- https://auto826.vnpec.xyz/uploads/files/titabiwutiboberajixiketo.pdfIn PDF document text
- http://cabini.it/userfiles/files/mifosozoziv.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/ebdf1b2e16fb26a0e07478de6b342a15/wurotikakirifa.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/77659111761.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/fd71888bc6341fc59686763bf79e02c6/87552709612.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a20b31a2e---46537978535.pdfIn PDF document text
- http://apartament-krokus.pl/userfiles/file/41794792900.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/af80390fb6acc96b5b1de3a2964f4187/26552056892.pdfIn PDF document text
- https://milorem-service.ru/userfiles/file/vigobamesavefarewet.pdfIn PDF document text
- https://shian-jin.com/UserFiles/files/tenarasale.pdfIn PDF document text
- https://zilalcooling.com/other_files/File/bavefotogis.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/lokalologowixib.pdfIn PDF document text
- http://svb-volleyball.de/userfiles/file/ravutol.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/towaxavevejajowumirubabor.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/1ebb4b8790221019d0537e49d1c4424e/89183894791.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/gokonevuf.pdfIn PDF document text
- https://vaynhanh365.net/contents/files/74904921273.pdfIn PDF document text
- https://gulamanis.com/contents/files/rugufopifotime.pdfIn PDF document text
- http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/4149397772.pdfIn PDF document text
- http://gyliver.ru/files/files/17006891251.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/selokawow.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_off0000ccba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4D1 | 10632 bytes |
SHA-256: daed66e168200fcd93afbc998a42fd38b09549aab49ec6b72ff34c7c26d31413 |
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font_02_sfnt_off0000fce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE0 | 16372 bytes |
SHA-256: 6a28f00584170e9ef1d165e6aae7643d68b40c8176ddfefcd02aebb7a053028c |
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