MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://coretry.ru/uplcv?utm_term=ssshhhh+koi+hai+vikraal+all+episode+download PDF link annotation
- http://grawerlik.pl/userfiles/file/99138121914.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160b7454014f0f---mojuzokujokunogazimizup.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/2412629505.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/r8a2ibusai7ufcfadjf30etp55/5631633095.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/5c943c9d77418160e83ceb6f3bf4d492/fifunaxafadezagiwikapofon.pdfIn PDF document text
- http://esteticka-stomatologie.cz/files/content/file/10730611839.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210730010754.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947226796ab---84557640372.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16100b1b0d9ce5---82196316644.pdfIn PDF document text
- http://gtshotel.it/images/file/sugumun.pdfIn PDF document text
- http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/mluf4fv7p14109vi7tb4p5vqh5/gomodisibarosak.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/1326722048.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/84171946235.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/a792fbf9b83947797203dd8e655860fe/62900317064.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc3d4b44b48---nirizebotoverafosexedum.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/32561840854.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cd857b6ed3d---zexuwaxipegewavudozubipu.pdfIn PDF document text
- http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/43396329977.pdfIn PDF document text
- http://www.trisad.kz/ckfinder/userfiles/files/gigajurogapetubimakimod.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/79529469099.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/mafatoloxe.pdfIn PDF document text
- https://bandotrading.com/uploads/file/nijupirasidasizo.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10805 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12017 | 17948 bytes |
SHA-256: 01d5af74f5f60da90bff0136b4a539f576bf73e2ac4a4cb0a6f4ec1b0c07d46e |
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font_02_sfnt_off00014fba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FBA | 10708 bytes |
SHA-256: c1c7e1e139df9b460272d17d16703f2dd271d234067c3e3a1662d76817dbc0f7 |
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font_03_sfnt_off00016845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16845 | 16372 bytes |
SHA-256: d967ff0d244d4c4447f2ce6582f696d79354395068513e193762d8f6555fdd6d |
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