MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates the document's purpose is to host a large number of links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://pistant.ru/uplcv?utm_term=windows+phone+kontakte+auf+android PDF link annotation
- https://clearpatth.com/userfiles/file/77326955586.pdfIn PDF document text
- http://el-master.ru/userfiles/file/wasanusogojupino.pdfIn PDF document text
- http://edukoc.net/userData/ebizro_board/file/52305714610.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/95137243596.pdfIn PDF document text
- https://kratky.eu/files/file/nirob.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/33532777912.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/61377513384.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/8944e8fd2d1768f844613b8e047f0daf/96186635759.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/wagerolumozidorezixer.pdfIn PDF document text
- http://atamergranit.com/userfiles/file/vawavopikexowugeka.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613607e1149a1---kalopatibuwosudo.pdfIn PDF document text
- http://chinalabware.ru/d/files/bufulavafotibu.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/79858861391.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/a4964271e2b3dd43a8aca13088771f56/torunenuwurowabadofe.pdfIn PDF document text
- https://leanuslab.com/UserFiles/file/84833781679.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/kukavalutopomemufi.pdfIn PDF document text
- http://nguyenxuanhuong.com/upload/files/81945895237.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/zafizi.pdfIn PDF document text
- http://rhondachem.com/d/files/87907265249.pdfIn PDF document text
- http://kruengrangthai.com/files/files/demano.pdfIn PDF document text
- https://merohamro.com/ckfinder/userfiles/files/71028928511.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021092007062573499.pdfIn PDF document text
- http://theffirm.com/userfiles/file/kuxaloji.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_off0000df01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF01 | 10820 bytes |
SHA-256: cdd98b712b727bdd26f77c110720b684122c31391b83df157dd0c3510c33b7a9 |
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font_01_sfnt_off0000f7fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001100f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100F | 19100 bytes |
SHA-256: c92d40958d20e7a46dfa7a5b385c42c3d911cbc8c5dbbcfd464468412c1761de |
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