MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple distinct, potentially compromised domains. The presence of numerous embedded URLs, many pointing to disposable hosting or compromised CMS uploads, strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://campbellelectronics.com/uploads/64754870860.pdf In PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/40ee458a8c1c03640966b60b1cb95434/18899707745.pdfIn PDF document text
- http://abwva.com/uploads/files/seritewanajesu.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/12949370029.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1615a4bac4577e---98280776189.pdfIn PDF document text
- http://grafiport.com/userfiles/file/94440356843.pdfIn PDF document text
- https://hotelindigha.com/FCKeditor/file/50542243756.pdfIn PDF document text
- http://yljczl.com/uploadfile/20211001190115926.pdfIn PDF document text
- http://hiroi-es.info/yamituki-n/uploads/files/3274771702.pdfIn PDF document text
- http://pr-jam.com/ckfinder/userfiles/files/pofita.pdfIn PDF document text
- https://asset-books.com/userfiles/file/30929320302.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/xozofemelafog.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/37098386841.pdfIn PDF document text
- https://manenshop.com/upload/files/mokokadomujiwijowixebono.pdfIn PDF document text
- https://truckforceone.eu/upload/editor/file/zolisalazelad.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300b40dd4ce---21900707684.pdfIn PDF document text
- https://doitoutdoorz.com/file/OVftrXTrHXHuFuHg.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/6a50fab51528efea4dc0e4b7e288670c/88280886505.pdfIn PDF document text
- https://thietbiotoviet.com/Images_upload/files/90450683478.pdfIn PDF document text
- http://about-dogs.ru/upload/file/55327005554.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/42226041404.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/soxesubilipuzof.pdfIn PDF document text
- https://egca.fr/userfiles/file/7518275536.pdfIn PDF document text
- http://mezon.jp/userfiles/file/medozixo.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/10/file/26237125488.pdfIn PDF document text
- http://meghdoothsuzuki.com/uploads/fuwux.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/Z3ufxtS7Wvw/uplcv?utm_term=best+quotes+brother+and+sisterPDF 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_off0000d913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD913 | 17476 bytes |
SHA-256: 6a141a317f0f0b59955c3a117d1f4c06d7bc9d5026c085703c8ebb8560b8e5e9 |
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font_01_sfnt_off00010604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10604 | 10740 bytes |
SHA-256: 8eb948b33f285e17017c4281d6b21ac1bcbe451f3fd15c5637614f3c818ddb09 |
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font_02_sfnt_off00011e74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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