MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF containing numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be disposable. The ClamAV detection and the heuristic findings indicate a phishing or malicious link distribution scheme. The document body is heavily obfuscated and does not provide direct user-facing content, suggesting its primary purpose is to host these links.
Machine Learning
- Nyx PDF Classifier clean score 0.2122
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 http://www.sczct.com/up_files/file/gadojaxili.pdf In PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/bavagenoboloxeboja.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/dinibemukijoxirilipu.pdfIn PDF document text
- http://oryginalnedekoracje.pl/userfiles/file/43850144361.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/81739975888.pdfIn PDF document text
- http://www.urbanwaterways.info/files/17722084958.pdfIn PDF document text
- https://myoffice.strategygroupglobal.com/uploads/files/12400612304.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/43538332662.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/zikitenugowesaweke.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/64323384429.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/25540151078.pdfIn PDF document text
- http://xn-----elcksuhhemsi4e.xn--p1ai/files/files/49437184797.pdfIn PDF document text
- http://formacio.fic.cat/uploads/file/90628903873.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/010a1ural8kgnj9gf0l9gj3nqf/32938991397.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147de3336156---relevikelivevoke.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/766a403cd0d7ef1f1414c6c0bf6f39ed/lokolodatej.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614d843d43e8d---97340257076.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/76850138689.pdfIn PDF document text
- http://poketomecam.com/uploads/files/58791442411.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210910_D43C5CAF1D52C470.pdfIn PDF document text
- http://gasasosong.com/upload/fckeditor/file/luwesewonesedekatigexared.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/vebuvukegib.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/xozobozarogunafa.pdfIn PDF document text
- http://rayanchem.com/d/files/denetazusonesararukoxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=old+fashioned+mince+beef+piePDF 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_off0000dd2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f53f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53F | 19524 bytes |
SHA-256: 39533398fc78fd8397ace78edf7566e07e42c871d62d07ff5fec2f59736000ce |
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font_02_sfnt_off0001282b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1282B | 10852 bytes |
SHA-256: 0b8ef507da7548a5811b566ac731013f28d2378630d8d891190e0160d995f98e |
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