MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs, many pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://zmiz.hr/userfiles/file/42259325281.pdf In PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1fc45542a---19364468427.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/5f003d9feaa66f3964232fedc13caf88/revonugubakobajugeviwo.pdfIn PDF document text
- http://www.iece.in/userfiles/file/1108351746.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/69153412840.pdfIn PDF document text
- http://sichera.eu/userfiles/files/71631924504.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613be5dd41874---30836713154.pdfIn PDF document text
- http://inruho.ru/ckfinder/userfiles/files/14353028594.pdfIn PDF document text
- http://quranday.org/userfiles/file/kimatuba.pdfIn PDF document text
- https://scalper.ir/data/files/file/webafubolazowotepafaj.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/20e8e81255c43e90a4c97c82e9b0c711/50506170159.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/56516572110.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/80493899374.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161386710b1182---91830656177.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613942e8c4648---wevav.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/numabazixo.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/31943312667.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/wazutigovakabutudorez.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/58e547d01af6c4cad02b14da17dbcba1/xalenojowawuw.pdfIn PDF document text
- http://industrialsupplies.pk/userfiles/files/65570113946.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/wipatito.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/15837345306.pdfIn PDF document text
- https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/saxomanuxosivuvogekusi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=push+and+pull+strategy+meaningPDF link annotation
- 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_off0000e36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE36B | 10936 bytes |
SHA-256: f86f490f251229e22919f843faa188b352b52e859fcb2da6795ac8c26ded2603 |
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font_01_sfnt_off0000fc63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11475 | 17452 bytes |
SHA-256: c2d0844c06367642a3e38abb5d7786a135559698e1188c2ca350a11f96c7d8d0 |
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