MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://drafthe.ru/uplcv?utm_term=ice+nucleating+agents PDF link annotation
- https://actor-conseil.com/files/file/loveguzeditamebujamewobur.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/mifige.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/remejixino.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/mekadudurujixetulo.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/dubegowasenawewanewebax.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/161161c9968877---dejemetukanobepu.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f52088a6470---kexedavelaxijazijanaxisab.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/nndg1mi3pkft8dm6irk6gn9iec/27970277838.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/61128325720.pdfIn PDF document text
- http://consade.com/userfiles/file/kibupuzuzop.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/73255337142.pdfIn PDF document text
- http://ecovn.vn/uploads/news_file/lapasivetisubo.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/vkjk4e8p17h4mtuk3h981ps3re/66923076945.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/xusigipa.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/918107fc97854d8184a866211a95a9a0/56552010673.pdfIn PDF document text
- http://houselandia.ru/files/voxuniranexezobaxulamu.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/268p1h2i1eh652eaou8j6c36qt/safimevutozujikobolaguji.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/83373780088.pdfIn PDF document text
- http://softwarefactory.nl/images/file/53460752447.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/c8eb987089c651b66be9d084ae9173bd/disuvupe.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a18aa5170c4---tevugobulabe.pdfIn PDF document text
- https://derfo.info/resimler/files/jejusi.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c5b295e4b---69920922502.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/9598726281.pdfIn PDF document text
- http://ahlhy.com/uploads/file/120136382886.pdfIn PDF document text
- http://insightonafrica.in/userfiles/file/34760513636.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_off0000b544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB544 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD56 | 13868 bytes |
SHA-256: b42937e8fcb76870a95a7eb5c9d3dbe5e4373e6e734e7150b47172b882698f45 |
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font_02_sfnt_off0000eef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF2 | 10236 bytes |
SHA-256: 4b03bed1ed250c914bd63e9d8017c47269298eebf8ef30a507b7dae0443e6f03 |
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