MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, likely serving as a redirector to phishing or malware sites. The PDF structure and embedded URLs suggest it's part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://inwebjor.ru/uplcv?utm_term=best+telltale+games+android PDF link annotation
- https://silky.ae/images/bulk_images/files/73929791638.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/79598890908.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/gomemabixuzibixavugaxax.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202109161551319972.pdfIn PDF document text
- https://intekcanada.com/ckfinder/userfiles/files/gasogisokakofizogugofa.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/sezerenuraxijetogovidejos.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/zapebuvepiwubikomasemute.pdfIn PDF document text
- http://sipzip.com/userfiles/file/70262492139.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140ed42d8b1c---nelebibusejuresexujotimi.pdfIn PDF document text
- http://biplano.eu/userfiles/files/najuwimuwopijeruw.pdfIn PDF document text
- https://www.anoregmt.org.br/ckeditor/ckfinder/userfiles/files/xulilidurizalisutediso.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614168a6ca9d9---jirepovuvozibozi.pdfIn PDF document text
- http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/sesenipujir.pdfIn PDF document text
- http://gekon.net/userfiles/file/wozilebigedafuvil.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613525b633ae9---1489090648.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/9674177702.pdfIn PDF document text
- http://abwlargo.com/uploads/files/27359000721.pdfIn PDF document text
- http://hyswimpool.com/userfiles/93612533027.pdfIn PDF document text
- http://boatmonies.com/uploads/files/zenezewosap.pdfIn PDF document text
- http://ozkayalarlojistik.com/userfiles/file/76640676993.pdfIn PDF document text
- http://wakesup.org/userfiles/file/forulewoxeladokibanawagub.pdfIn PDF document text
- https://varida-tech.com/ckfinder/userfiles/files/78398199067.pdfIn 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://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_off0000ed18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001052a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052A | 17172 bytes |
SHA-256: e303e075f1f0ecbcfba85f0ab4a396419a24fd20db45b34adbb97193113a47fe |
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font_02_sfnt_off00013181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13181 | 10644 bytes |
SHA-256: ee92a3a4180f75d656666a2e8f754ca076a0678476edd45c0e491aa052a9869b |
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