MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, likely to lure users to malicious sites. The embedded URLs and the PDF's structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9733
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 http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160861b7b75dce---pevetamaxix.pdf In PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/01872ead17c11aaf2e32ffdb5773546c/90223445946.pdfIn PDF document text
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/levavunejul.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd358a8280---30353476684.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/tixadapebev.pdfIn PDF document text
- http://3q1p.com/upload/file/210609011114765627ggxs9lsogk0d.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/86092267650.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16098903e4b309---2301733027.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/9f461da78d60d60b479e1f0e9e40395e/givawosaramowulunaniro.pdfIn PDF document text
- http://hawks79.com/clients/85064/File/53989617594.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61ab1c69c8---6431255416.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/27160328539.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57083806202.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3cedcf6ea---53525353291.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/e486177d21c12204a0d925efd52a05f5/lonadatubemakenamexota.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f00685aa6---folil.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/e9ccc92054374f516bd672853baede25/matosufafegozukibid.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/sinoxirinamagi.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160866752aa669---nigizamagasefozupab.pdfIn PDF document text
- http://tilestone-pools.com/i/File/vuxupexiginub.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bc37e596e21---36279920181.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/nhjg8m3llhhbnoqvh9n5hgruib/nuwita.pdfIn PDF document text
- https://youkuvpn.com/upload/files/70154898552.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/v1j0rlidvm41f708lgnqck2uap/80422039613.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/snibjipk1iet94ag9stq6ggqrd/karuf.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/51746074826.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=breath+of+the+wild+save+editorPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00015030.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x15030 | 21636 bytes |
SHA-256: e9555745f98fe17b23ebaec29aac2897d36cc11e6905650e9644849647dca7d5 |
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font_00_sfnt_off0000f122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF122 | 17692 bytes |
SHA-256: c002759317464aec893a3975647454e8aef7aaee1767ecdcc95bc4551950c23d |
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font_01_sfnt_off00011fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD8 | 10552 bytes |
SHA-256: 686b2aead6aa7c8386a19362aa012ff57956343a18e3609a33bfb3196bb47997 |
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font_02_sfnt_off0001381f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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