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 ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites and other potentially malicious domains, suggesting a link farm or phishing lure. The presence of external URI heuristics further supports the attack pattern of redirecting users to external, potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://lingchuanfloor.com/app/webroot/userfiles/files/38900584887.pdf In PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/4etn3jn2li0ekh16erbucvfae5/59794068799.pdfIn PDF document text
- https://anitacalderon.com/ckfinder/userfiles/files/vumepinofodobobakaxumij.pdfIn PDF document text
- http://geomanteia.com/userfiles/files/lefekofetegaxijemexuv.pdfIn PDF document text
- https://andhimazhai.com/images/files/78612580089.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/qbl077skcf2sbr05hvunodfpii/gunoleda.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/88837241079.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/fuxuwokepiwoxad.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/57232567006.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/12919960640.pdfIn PDF document text
- http://bigbazar.cz/is/images/FCKeditor/File/51074559136.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/vetufidogunedujuli.pdfIn PDF document text
- http://haai.org/upload/file/87685874890.pdfIn PDF document text
- http://positiveforce.in/uploads/files/gutoxizupexudajakavob.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210902071624_732721.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/65878025597.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/86479230181.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/vizagedabemulimejosu.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e836ba0f46---4619055787.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/mepukerinipirutimerite.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/daxewevaja.pdfIn PDF document text
- http://twozonechickenlasvegas.com/uploads/files/nesofofezixuriwakegilev.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=download+the+walking+dead+season+1+apkPDF 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_off0000df63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF63 | 10804 bytes |
SHA-256: 9ff4a797a4204968fe3513ec3cbd0115dacc1a2fc36752f2170a928a264b9447 |
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font_01_sfnt_off0000f81d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001102f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1102F | 20036 bytes |
SHA-256: c30cb5616e9ef706c1c644626835dc6330e29105834ec5801320fa370f710f59 |
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