MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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 CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The PDF structure and embedded links are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/d4h33e0npev36m16slqf256v01/98524914212.pdf In PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3dda93239---4859696736.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/kuxijegodorugiregusal.pdfIn PDF document text
- http://grandfiltr.com/files/file/38396961476.pdfIn PDF document text
- http://chikatere.com/Upload/files/fekemu.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/61771443961.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/25608788534.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/timirovefujojo.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/12983363020.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/boguzu.pdfIn PDF document text
- https://europartner2.pl/uploads/81439572932.pdfIn PDF document text
- http://americansemitruckparts.com/d/files/73522814630.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/42779761059.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/xitozarad.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/60827e019da82168cca3248d892dec6d/monekirerese.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803f5cc8e50---70524833753.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/4482115777.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/vodulikiruvoxakonex.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/dezunuwokig.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3da924151f---donexavomesinevuwarujuluf.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/kodin.pdfIn PDF document text
- http://escaletravel.com/userfiles/files/nadevibivitel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=daalderop+combifort+32%2F80+manualPDF 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_off0000fe86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE86 | 11508 bytes |
SHA-256: 3a01914a25b662633485a04e9c253fafaa63ac9f31a951a4f4bdc3cb859ca7be |
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font_01_sfnt_off00011999.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11999 | 18048 bytes |
SHA-256: c67cced9ee218ea3b55bcd57b4c0f67d933b1f094b6d213b24cd070d642e4e96 |
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font_02_sfnt_off000148f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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