MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and URL patterns are consistent with a malicious PDF designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://irlanc.ru/uplcv?utm_term=dew+claw+injury+in+dogs
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/6489c4312c3443a55cdbc5274c7ebbd8/zozegilusi.pdf
- http://assushop.com/userfiles/assushop.com/file/numogutexewewuwedurat.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/aaec2e02450a241a562b3dd53cd4aedf/56350824077.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c98933bd015---fikumidelise.pdf
- https://mabuksusu.com/contents//files/34852222251.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a5d991981---69028293981.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083411cb398b---kebekikuvoxibogirigop.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/a1c321f990ad711cd982756bc7154a5c/20576195721.pdf
- https://advik.net/userfiles/file/wizasuzubup.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc8fdd86e3---nefuzujobamotadamisuvo.pdf
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/e5b472160a11840e5ef604c9e1c2f1c7/posezanunodovipaf.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079ef3e32836---dibinawimasaju.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160852bb561834---pafimomegunarinidosiruwo.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/8468badca60662a4b530c6f3a3b1fe80/pizowebawurevafazibasebos.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160788bb533d9b---fetofezepoz.pdf
- http://marcobernini.it/userfiles/files/pisetebej.pdf
- http://a-kamen.com/userfiles/file/72519285371.pdf
- http://cn-junsheng.com/upload/file///20216715813905.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089c2bea4349---nupoxosegen.pdf
- http://szentistvanpatika.hu/upload/file/70454343296.pdf
- https://alrashed-alsaleh.com/userfiles/files/22034026662.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/009889bea89c118276599d9f2c775083/95476395904.pdf
- https://alice-immo.com/userfiles/file/nufimi.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/18d99781b8bb4d0366860af4817a8fe2/kajimubesuzikagu.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/6e78d6ba104fe2d6cb7ae6d276c2a0ae/92372063313.pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f133.bin00b1f632e8afe72716c8bcdb76b7901b56c060d1dc0f96f3f5c1b8373b85735b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF133 | 16140 bytes |
font_01_sfnt_off000106b0.binc4e39fa23b524c1ba249da71397a9c18fa3e6e4655c641a8ed06bf67fc1782c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B0 | 10880 bytes |
font_02_sfnt_off00011fbb.bin92059e3844760788b8afe808490477bb84f653887bc1812a4033a2462ad19e25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBB | 16436 bytes |
font_03_sfnt_off00014a59.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A59 | 16792 bytes |
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