MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be disposable or compromised hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document's primary purpose is to act as a link farm, likely to redirect users to malicious sites for phishing or further malware delivery. No scripts were extracted, but the presence of numerous external links suggests a drive-by download or phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://crysiq.ru/uplcv?utm_term=how+to+tell+which+apps+are+using+battery+android PDF link annotation
- http://6nergy.fr/6nergy/sites/default/user/file/teviwa.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b8b68c059---93639162643.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/66056012766.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/zunememimusiligulezegub.pdfIn PDF document text
- http://www.perlodrink.com/documents/63362145437.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613237f5cba9e---munedawekidi.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///xadufesezavopiwikixefam.pdfIn PDF document text
- http://siblom.ru/files/upload/file/55517552229.pdfIn PDF document text
- http://buydecor.ru/uploads/files/migamubunerusedetumezalov.pdfIn PDF document text
- https://simondaulte.com/ckfinder/userfiles/files/vimejakumewalupukufamiwi.pdfIn PDF document text
- http://sciattella.net/images/file/18686783662.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/malasegogor.pdfIn PDF document text
- https://campermagazine.tv/public/file/4961649779.pdfIn PDF document text
- http://rileyillustration.com/images/agency/files/fasexenoti.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/77727456650.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6601835dff0d1fb151002baf82f70b56/rekesutonusewuxogafe.pdfIn PDF document text
- http://ez-surveying.com/htdocs/cljr/data/files/68269552333.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/81596636324.pdfIn PDF document text
- https://franchiseharbor.com/files/files/tikisasu.pdfIn PDF document text
- http://myblindz.com/fck_user_files/file/nefitoduwimavuvaneg.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/36747153762.pdfIn PDF document text
- http://royalgroup.at/tmp/ritewanojovupo.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_off0000afa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA8 | 11224 bytes |
SHA-256: a7a27bffb7c1490408f86a4403d18982c8bab8847de58adf8f586ab384b7486d |
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font_01_sfnt_off0000c986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC986 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE198 | 17200 bytes |
SHA-256: fbe87ae6b52b4193a0643f1815e8a83bcd21d52e98dbe78ed4359e8b9ddef7c4 |
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