MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised WordPress uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent beyond the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d52f70664ed---dolubawawirodakeju.pdf In PDF document text
- https://fishboat.hr/files/93780391059.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/rakugeka.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/86018068503.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/85389079010.pdfIn PDF document text
- http://qhchemicalsfeed.com/upload/files/1134131551.pdfIn PDF document text
- https://vestol.bg/files/file/rofoj.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071f4130c8bd---10503712466.pdfIn PDF document text
- https://kaptenhoki.com/contents/files/jowutebidopimasokasogupe.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/winopesesidibinototezepod.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/jasinowafewawavodize.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ececbc064---rixuramexuba.pdfIn PDF document text
- http://tinnaduraflex.com/uploads/files/nosuvogudizepuxugasavem.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/3967357933.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/sanarema.pdfIn PDF document text
- http://eltdb.com/UserFiles/files/76980750893.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c857aef4e9---73409375908.pdfIn PDF document text
- http://www.siposferenc.hu/html/mivuvuvazig.pdfIn PDF document text
- http://lakehighlandsrw.org/clients/863582/File/51730977352.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/wibovitad.pdfIn PDF document text
- http://campbellelectronics.com/uploads/9639370577.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606efd6ad1a6f---veziliretupubebolalutomeb.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad8f47ebe8---rewug.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a5c07cb01---kinijuladijufuxifusasiwo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=we+are+consideringPDF 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_off0000c7e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF9 | 21912 bytes |
SHA-256: dc5aa9de89aa3b1028c6f18fbf6d122030788ee8fee0c95ada935cf0d2260b4f |
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font_02_sfnt_off000116d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D3 | 10392 bytes |
SHA-256: 81a511f938e997737448ac33ebdd1cd3adb23c53ec0c677b7141b3be6f5dfec8 |
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