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 links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.6674
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://fortworthdental.net/cmsCart/upload/file/38752319924.pdf In PDF document text
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/b50c7bc42697eae04a3aab5aaa864459/poratimozasunejijudizima.pdfIn PDF document text
- https://dananeye.com/uploads/files/202108141524373904.pdfIn PDF document text
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/jomuwezinujowupunuj.pdfIn PDF document text
- http://superplasticizer.cn/d/files/vinerewojari.pdfIn PDF document text
- http://auto4-spb.ru/public/images/ckfinder/files/gajuwomakuboka.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/cab67daa3b0a127d0aa9a2069afc0611/2935327858.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/a0ba42b8aaceae40153602708cd1951d/vesatabazolugodofewupurot.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/8993186818.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/9170183673.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/2023d6e700048f901d98ee965df2ea55/jamazebijun.pdfIn PDF document text
- http://giga.sk/storage/file/zitusadojuvabokijogen.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d23bb76a070---5878430307.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c86542e4e0e---voxat.pdfIn PDF document text
- http://natalieshuff.com/uploads/file/vipukep.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/381c088948eb1cc22b958d3f8f81e14a/28095870558.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/dojitukotakisubexam.pdfIn PDF document text
- http://tubelessons.net/cms_images/file/64233764318.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/kajetelajenowapefewo.pdfIn PDF document text
- http://emblem4home.com/UserFiles/Member/File/59252855642.pdfIn PDF document text
- http://zimmerei-possert.at/mogamipasub.pdfIn PDF document text
- http://yanarfabrics.com/firma/files/sepagavamesitanodonusuk.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/logodosevunal.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=color+combination+theory+pdfPDF link annotation
- 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_off0000dc0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f41e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41E | 17572 bytes |
SHA-256: 25bb0f00e820f59c7278ef29c2db63ae78bcc7d2d81281a715fbf777ceb621a7 |
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font_02_sfnt_off00012155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12155 | 11000 bytes |
SHA-256: b93184e0fb5aea3dbb3123f37c0767ce34f313d038321102367fad7e0f2606c0 |
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