MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. Heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://medvor.ru/uplcv?utm_term=network+speed+pro+apk PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e297bbd33---ligarorurupupegolofajopog.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/44489690367.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/mezokugokedupadevi.pdfIn PDF document text
- https://grandiosieventinuziali.it/filesUploads/file/neziro.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/p86g9fsrh22r9u25o2f2knspr9/55881646543.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/tatotogedixawemoz.pdfIn PDF document text
- https://bliznacite.com/files/23390047838.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/37b2a35a9986c6d751fe1998bc372dfe/37171092740.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/vemajig.pdfIn PDF document text
- https://10s317.com/uploads/files/202109070228141669.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/26040314165.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/2638436520.pdfIn PDF document text
- https://ags-car.com/upload/files/74229786478.pdfIn PDF document text
- http://trevelsi.ru/ckfinder/userfiles/files/83076472650.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/penojepafumagarunovagemom.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210905102543946.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5a04b62f1---vopizabif.pdfIn PDF document text
- http://abwcolley.com/uploads/files/6812173512.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/16873056654.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/89438134673.pdfIn PDF document text
- http://espokebar.com/uploads/files/57091667660.pdfIn PDF document text
- http://twtime.com/uploads/files/202109020318414367.pdfIn PDF document text
- https://www.corpeverest.com/ckfinder/userfiles/files/50852451767.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/zebat.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_off0000d1ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e9fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FE | 16256 bytes |
SHA-256: b7053a1330a985d35b1555820b0a184d9fb042365b17632040dbfb953df1cbcf |
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font_02_sfnt_off00011426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11426 | 10296 bytes |
SHA-256: 321032cdc6c12ed05b9b273a7942a42b4114f9bdc485afdbdd172e6e25beeef9 |
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