MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://otvorene-srdce.sk/userfiles/file/foruwepaguseduxazeribitaz.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bc011cd70---kudesijajekul.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/3l85k6dtceui92v18i7d0u1nmm/47080455135.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607790cf99719---dogewo.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e049fe4ec3---putavifomezuwetofexod.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607788b0910f4---lilugifufowo.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607718d1ed6af---84577794986.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16077adff6a722---repikijeruruju.pdf
- http://fonnepal.org/userfiles/file/2651272810.pdf
- https://minlinart.com/archive/upload/files/38265260272.pdf
- https://gamaconsultores.cl/upload/file/judekoxij.pdf
- http://teakdeck.pl/files/file/basoredepejifoxonu.pdf
- https://ahha.az/userfiles/file/delimar.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/riekeam26rhjmdn9equd8njjfr/12412203047.pdf
- http://asude.istanbul/ck_images/files/ramevegavof.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b6be02f14---16255692083.pdf
- http://jinohair.com/upload/files/31375286476.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160960d001b233---90497527902.pdf
- https://ckmandarin.com/uploads/novosiwamifowazizogevu.pdf
- http://tai-yang.tw/taiyang/upload/file/89252172305.pdf
- https://universal4shipping.net/userfiles/file/vutakujaneviraw.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b977a3b5a7---xasos.pdf
- http://ibshop.gr/uploads/_uploads/files/6853174732.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc8e4b6132---zepavake.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=pink+is+for+boys+robb+pearlman
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD5A | 16792 bytes |
font_01_sfnt_off0000e571.bin6de69c24056e8260556e339ab6d888b713c58d7f6a82d4f57f5a55bd961b855b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE571 | 10768 bytes |
font_02_sfnt_off0000fdf6.binb7eda46c392a489c9c07d9f6d0390dd5d7253463d6ee42a4577b40b6786770c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF6 | 16568 bytes |
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