MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories and other potentially disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://obrienbuilders.com/userfiles/file/47927171734.pdf In PDF document text
- http://wghsclassof69reunion.com/clients/b/b3/b33699c65747f61a54cd06c2fab73d22/File/zaxezedezekisenipepe.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/23422348014.pdfIn PDF document text
- http://ipublicity.cz/data/file/816103988.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a75071d56bd---88116140025.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/20uogf9uk2vr6i01jfslkca785/84468496255.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/kogogasejamevozaliwetavel.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8536baa1db---32900192596.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/37cv7eodrs2tiflt41e1ggc577/foxowavirurapiganovekafa.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/45351975880.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/v0agmp2a7qne1cbn5dblpf37ct/pazesakamok.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/i2k97kir284gv28hlumkegd1bp/pajoxafubufakixetimoro.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4b2fd6d68---galipoderipejagujufo.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4aacc97d69---fovevonavamixuvev.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/62324510905.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6de0d8d1d---mekukoxosozekomexufajev.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/wemajogunap.pdfIn PDF document text
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/7a71bdfe2f3a183e8238c12eadc9463e/88454485983.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/paxezajiwu.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/dg412ouiem4ugdkupjo1h7kcvh/16476998344.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/xotowubudu.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b54d192cd4---sodotokimigedejemusutil.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/baxepaba.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/femuridigudagiluteral.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/14aafd2f415c37da7f985354c0141042/bemikajukukuredufafisoto.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=healthy+words+that+start+with+sPDF 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_off0001057c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D93 | 10432 bytes |
SHA-256: 0c17f2c9b9e0a94e5fee9e88f0ee686c9ae31682189795462e2865ecb555e83f |
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font_02_sfnt_off00013560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13560 | 16436 bytes |
SHA-256: b07b609bd7ef0884c57352c8aee0413f5bc71fbbc6b807b28708c13119f06e49 |
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