MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating it is a phishing or trojan PDF. It contains numerous links to external websites, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. No scripts were extracted, but the overall structure points to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pistant.ru/uplcv?utm_term=marketing+philip+kotler+y+gary+armstrong+14+edicion+pdf
- http://hnfhdc.com/UpLoadFile/2021080115531882807.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e968d4746---dogavazunakufu.pdf
- http://ajisushionline.com/uploads/files/53757397453.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/39e41be96636c39b539626f3748d9402/17760475316.pdf
- http://easyreturn.store/userfiles/file/13311506866.pdf
- https://taiwancy.com/app/webroot/userfiles/files/mazujeposulazofewarino.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a210478e0---samapazedovoku.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/ktleqc3f7a3mqf8rgeus79gvjd/tafukakanalejamipiro.pdf
- http://tiwtactic.com/userfiles/files/77674899679.pdf
- http://qca.ch/userfiles/file/burebudunaz.pdf
- http://chatfieldfarms101.com/userimages/62907169564.pdf
- https://netcsemege.hu/ckfinder/userfiles/files/denarewowijemetifebibani.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/bed053e6d1e1296d3708486b8d92ac73/99496247103.pdf
- https://viveironativodevicosa.com.br/ckfinder/userfiles/files/wojenalotexubobepose.pdf
- http://veterinariogiardinelli.it/userfiles/files/24172831157.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/gdq9la1kptltkqdqgcbr9gnkv0/95491285891.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e68d87c3588---22890457849.pdf
- http://alexlunacoach.com/img/editor/file/segozowosaze.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/u53situltcnpi2dhi41ke0bjlg/bikijunefagozigufififagu.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e3a957459---mibarovam.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c9c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C7 | 16792 bytes |
font_01_sfnt_off0000e1de.bin501749ae2d56482d7036bb6cb59f5cded30121e80bc59c1f293cb7b83fdc266e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DE | 11396 bytes |
font_02_sfnt_off0000fc6d.bin97b5eddf2e3c06e9ee4c43262e5a6a66a092bc75078130fd2b92cd94fe420fb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6D | 17624 bytes |
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