MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly suggest a malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/69402680342.pdf In PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/9ddd4e205f35cd093c1ad3aa38fa4772/fakodekapasagebomaba.pdfIn PDF document text
- http://thepokewave.com/uploads/files/4383201370.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/60132484680.pdfIn PDF document text
- http://www.letnifestiwal.pl/ckfinder/userfiles/files/gimonuzazirotal.pdfIn PDF document text
- http://www.moyekolodin.com/files/66941187919.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/88389972943.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/30fc807ba87e4ed8c111d06fb2987ae7/78166283152.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/gikafefinifufozisevuxu.pdfIn PDF document text
- https://immo-cjeanpaul.lu/userfiles/files/39434556058.pdfIn PDF document text
- https://pacpartner.net/images_client/imagesfile/bupenufozifafiduje.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/pibirajakifagejo.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/3683506766.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8ad64dd69---pipodogozededapapulov.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/teveluvezamuvox.pdfIn PDF document text
- http://hzxf.com/images/upload/File/dobaxidamebepe.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/22820870865.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/69159333883.pdfIn PDF document text
- https://alpinashop.rudy-ra.com/files/64940850149.pdfIn PDF document text
- http://gardena.crazyrockinsushi.com/uploads/files/dadope.pdfIn PDF document text
- http://globomax.eu/userfiles/file/65206860351.pdfIn PDF document text
- http://bimbrlata.cz/UserFiles/File/mewuvugo.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/1272911462.pdfIn PDF document text
- https://genegurumiraclehealer.com/userfiles/file/26115555043.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/56890032962.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=javascript+challenges+pdfPDF 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_off00011a40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13257 | 10836 bytes |
SHA-256: 03ddc5733518497407a8fb9fe55e5ed1496cbf35801dab3dedfe5fe2c223f9bb |
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font_02_sfnt_off00014b11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B11 | 19204 bytes |
SHA-256: dacc6a1c44d0fe38fb8814863c284b2081e07de79777e84cdbd605a53123688e |
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