MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to external websites, indicating a link farm or redirection strategy. Heuristics suggest these links are non-clustered and hosted on disposable or potentially compromised domains, a common tactic for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://gianniarnaudo.com/userfiles/files/komaxuparafiwukumidewafid.pdf In PDF document text
- http://startmatbaa.com/userfiles/file/54167004263.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/19840231137.pdfIn PDF document text
- https://hankilfood.com/upfile/files/rufawigabanirewuxaxij.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161386aa882caf---19874944780.pdfIn PDF document text
- http://akiisushi.com/uploads/files/22172838622.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/53833757810.pdfIn PDF document text
- http://strandedtattoo.com/file/laxabarodoxasuluzu.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/9d495c45d7134b4a5cbf353c069f4092/saxorewi.pdfIn PDF document text
- http://dpholding.ru/uploads/files/dadifipedituninukezinurem.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/77509657587.pdfIn PDF document text
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/betovizumep.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/8741702641.pdfIn PDF document text
- http://showplus.ae/userfiles/files/21494459102.pdfIn PDF document text
- http://se-ty.ru/uploads/userfiles/file/tukomubejunizesik.pdfIn PDF document text
- http://crm333.com/documentos/file/kugotikukimiti.pdfIn PDF document text
- http://exmar.it/foto_fck/file/47793413598.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/xegodipoz.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135bbe603662---dorazapewalukor.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/0a5t1c19n7u7mvj6kdeqno3vk4/kogavilasekibuje.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/sakolaboluzadisa.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/73364855154.pdfIn PDF document text
- http://omni-links.com/images/blog/file/97414189202.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=far+cry+ppssppPDF 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_off0000c1d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D0 | 21004 bytes |
SHA-256: 4f06fb62a7aa5775e027c4d75f40d6f2f94d01f3e3886787e5d43fa30340a8d4 |
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font_01_sfnt_off0000f7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BF | 9864 bytes |
SHA-256: dcbbc8872c9510451917757a23876d1df4e0d2fdcdac2854aa1c028c00484c55 |
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font_02_sfnt_off00010d8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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