MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URIs and link farms strongly suggests an attempt to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://fl-forever.com/upfiles/editor/files/ratedowuwupikaga.pdf In PDF document text
- http://gsemilia.it/userfiles/files/pabeka.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210627225901_lxfrv0.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d6f30ddeb33b6e19183ec73f4d55a88f/11265641572.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/71552b8f79bcba090a5757cfca78ee53/26704537659.pdfIn PDF document text
- http://jump360.co/upload/files/20210624161509.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c57fe79d0525c57954cf00a0b4650a9b/zamazeforegimevivid.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160b158f005249---80219038867.pdfIn PDF document text
- https://dynasty888.com/image/files/20210601_060815.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff84a4e753---63800533113.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/d3c9c7055d7808cc829c92c58ab35335/fatikitigug.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/sapubinen.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/womarim.pdfIn PDF document text
- http://davidlbrooks.com/clients/868292/File/wururilimizumukugo.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/tetavazatatuwi.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///39419834187.pdfIn PDF document text
- https://gloriouz.in/ckfinder/userfiles/files/33396465658.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/64227963517.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=tratado+de+viticultura+general+pdfPDF link annotation
- 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_off0000c152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC152 | 10756 bytes |
SHA-256: 5ce29b51f5fddd4f1d9385339c6dd2d234b0d6306d8a2aa8d8bdf9d7f53e798c |
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font_01_sfnt_off0000d9f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F1 | 18532 bytes |
SHA-256: 5348a739983c11b461229fa4601e8c2fc3de2e0b324061a609f57365ceb974eb |
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font_02_sfnt_off00010973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10973 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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