MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The PDF structure itself is indicative of a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160717c196a448---jewanavir.pdf In PDF document text
- https://smsenerji.com/resimler/files/15890573492.pdfIn PDF document text
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/76bb6330839dc5babfef4b0491cc23a8/kexawugavuzise.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/60996145566.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/88990379465.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/96706533980.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8f2ce987180aa4df423a006116c2ff9d/4042288465.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/muwamopetekopapine.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/79443392372.pdfIn PDF document text
- http://allasclub.com/campannas/file/limevudejupuwukefox.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba27a52c2c4---jeresit.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/98260684655.pdfIn PDF document text
- http://tomnhenryanderson.com/clients/8/8a/8a1068334c160bb49438aafe8043afff/File/45368474303.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/aba90daf1d92ce29caf960a176315bba/2558340970.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608eeeb70d892---rapivagewoganinaguz.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/54416778407.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb0a2d1474---zulovojosopojetewe.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/c3881deacea4cb990814cc0750b4f693/53612698915.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/f2bd3a7e117bf4200c00983283ed059a/10442253350.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f4a1e47d500d2e21089e9db066be669f/memajazet.pdfIn PDF document text
- http://abpaluso.com/upload/file/mokelumuwaneposifodufo.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/29a4aa81c00679a8cf34c8c20b66c7af/gupod.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607179f0b6901---xufalemijowanajonafasob.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/u5ngjelafpje4l62a1u9krsue0/kusagonemivemud.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/78757350936.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/12156034111.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d44ae44b0---99785913022.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=bible+of+organic+chemistryPDF 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_off0000f3a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A9 | 19488 bytes |
SHA-256: 73fc15f4704c00f4d83a0619861c809239f912110f7a0d2887b589ba700487cb |
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font_01_sfnt_off000124c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C1 | 11088 bytes |
SHA-256: da66945e9210d58e3eb721b3a1bcac8240452e0b0ffafc941013a10c776149ba |
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font_02_sfnt_off00013e76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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