MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farm characteristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://smidgel.ru/uplcv?utm_term=verbs+ending+in+ing+and+ed+worksheets PDF link annotation
- http://lycee-elm.org/userfiles/file/40865139576.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/db3d6b968254fd093ca24acf0b376605/39603710055.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/90694348053.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/39531753886.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160791f4d1353f---82150668421.pdfIn PDF document text
- https://shriramsteels.in/public/ckfinder/userfiles/files/logaza.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a5944b258---felejenusalup.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e517ec407---4599944316.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16119c6be98a67---30435492672.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160972c357d61f---gajibigolosuzenasadavunex.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/simugobavobosoregomu.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6c47a4fa0---28781403682.pdfIn PDF document text
- https://pacpartner.net/images_client//imagesfile/nubatuneguvazam.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bb51116fe---rusudov.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070abc981e83---dexuwunivavavegeboboli.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/32060876361.pdfIn PDF document text
- https://cambodiaangkorhomestay.com/userfiles/file/tolelibizeterizuvavur.pdfIn PDF document text
- http://abwcockeysville.com/uploads/files/gepinelugusetev.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/tugidebetagaxudi.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/1b1b9ba4446939b7ffe42873619612b8/88835763325.pdfIn PDF document text
- http://ruresept.ru/files/file/wagijebemivonidiripadu.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083df02df685---sunubofo.pdfIn PDF document text
- http://hangquangauto.com/files/mijup.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f68048c0916---81557540995.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/logus.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b66afe6c49e---44515641789.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_off0000ced2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E4 | 17600 bytes |
SHA-256: 9339044982bf3bfa672236d2d918f862610c1859dd9548f18c5a0642b5857444 |
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font_02_sfnt_off00011477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11477 | 10768 bytes |
SHA-256: 8e2abb9e42e6cbe9af621c1293fa2e9d7c74727a073bbc4e66239f676308089c |
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