MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, many hosted on compromised WordPress sites. These links likely serve as a lure for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://wastran.ru/uplcv?utm_term=be+happy+dixie+lyrics PDF link annotation
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a7513f3a0---wuriteso.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/tazajedo.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/e5e0f47e51572ce07f4bbb34ffddff55/raxanefovakiwaj.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/viia4jicsg2msp9umkcj42e0fn/97497699544.pdfIn PDF document text
- http://mid-europe-ex.com/bavub.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723aea6cf0b---nipuzajemadelivin.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/qnnmbiln0nc6h6hgujvd227a20/zuzesinigarezoj.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad79f048fc3---xokevoti.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae34a8e05ce---wetulunizelabose.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/56402193402.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/12n6prphtnppinc11k8e7oklp7/keregupezireseri.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160733bed4a320---31800123810.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964adb79a0d---95120655037.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085c79348c57---96641069493.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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_off0000df2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2E | 5380 bytes |
SHA-256: 7878e5cd16656c3bb576d4731370cc731d40143b58e5e135b17f63b700321df2 |
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font_01_sfnt_off0000f180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF180 | 10860 bytes |
SHA-256: ce591fa538505a594767672e53fb64537355f847ba6339253c6eb1b79a0c23e6 |
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font_02_sfnt_off000116bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116BD | 16136 bytes |
SHA-256: f603362ac3d2a4ef4a547970ce970a4d7ce2254e34adabda4ab8857ae4411796 |
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