MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains a link farm pointing to various domains, some of which are hosted on compromised CMS upload storage. The document body is unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt, likely leveraging a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://giriconsultancy.com/content_files/files/xenaxorekadewapub.pdf In PDF document text
- http://perseverance.cyou/updatefiles/file/towetujobigabovevuxipavu.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/27863667908.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/kakitubeto.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/63738207990.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160828b21267c1---90471679607.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/nubegijuzimu.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202108190705435940.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/5059fafde2adf9595d8b5588cc9f2d40/43529807014.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c969015def---82876003298.pdfIn PDF document text
- https://pui-vital.ro/msg_media/file/movinafamewax.pdfIn PDF document text
- http://varosom.hu/userfiles/files/79257333394.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/zeferudoloku.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/e7320239fcf37369afe3c689e287e9ad/86223297591.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086707aaa7ae---23877153967.pdfIn PDF document text
- http://bon-mar.com/fck_user_files/file/kiruvevegobetaroponekix.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/2762167790.pdfIn PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/14327379940.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/01804afe31110a6a738f7a1309eedfbf/56519138290.pdfIn PDF document text
- http://minhanh.com/files/2276885407.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/54453950518ea6150ddc4e3d57c15767/vofozuduwilijazizu.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/tozupejemin.pdfIn PDF document text
- http://suriyedostlukdernegi.org/image/files/60800366055.pdfIn PDF document text
- https://marosme.ro/hirek/file/51463385886.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=you+and+me+together+we+can+make+it+betterPDF 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_off00014c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00016438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16438 | 11004 bytes |
SHA-256: b3339dd82a7afd67145927e331a45d0af597eee9c21046f9ba783272eee716d5 |
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font_02_sfnt_off00017d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17D6A | 18952 bytes |
SHA-256: 662340bb95ae06da211b79618b915305c10c94039e09be07d011d29558185951 |
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