MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://autohausnschmidt.de/userfiles/file/bejirufimebefuxiki.pdf In PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/984cdb712bb65023e186aafaaa7971e2/ratogetisu.pdfIn PDF document text
- http://haiannweb.com/uploads/files/53028379657.pdfIn PDF document text
- http://saint-party.com/media/file/funefedu.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109101047487835.pdfIn PDF document text
- https://sinarwaja.com/account/files/57126297387.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210909125128_9ol69m.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/29212545586.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613793ebe4d59---jugeto.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/64692142070.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/87834454184.pdfIn PDF document text
- http://sdes.in/uploads/82368555422.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/10974904562.pdfIn PDF document text
- https://atputasbazes.lv/images/userfiles/files/60715504291.pdfIn PDF document text
- http://gamaxmotor.cz/data/dokumenty/70708856910.pdfIn PDF document text
- https://asztromiskolc.hu/ckfinder/userfiles/files/98048764818.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/tajotigokudikavuloror.pdfIn PDF document text
- https://valve-toho.com/userfiles/file/95547893639.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/17981881952.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161332fc59fff8---9778763599.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=fast+and+furious+4+torrentPDF 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_off0000e990.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE990 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A2 | 20428 bytes |
SHA-256: 47bca60571828668d3fb5a5db6061cdfe36a437e13c4a580a01b7bcd1654d9b7 |
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font_02_sfnt_off000136ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AE | 10456 bytes |
SHA-256: 815f3dcdc003c8a12813fff4c13898d39816b93030f14465f25e716701f335db |
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