MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, appears to be a lure related to electrical circuits, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://synerhu.ru/uplcv?utm_term=exercicios+circuitos+eletricos+em+serie+e+paralelo PDF link annotation
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2f45e4cca---77295725485.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/992e46a8fc0d0b4f97860ee7cd3f7a6b/nitupipebezunetej.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/9q0hb8apukoli69u68685h7b60/wuvapegowegojumodonadusom.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983d30aef20---lobisovulitus.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/g3b9qpdctfft7jq0qtfu2ajkp0/totifivoviv.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/22nbpnu893lo3i9ad9355cvae2/4263291056.pdfIn PDF document text
- http://bigsvatcharasith.com/userfiles/file/nepefuxaj.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/f6a7e80eff493fc3230e743852754d44/purijuvobewonokifok.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/609feaafa5743511668fddbc2388aae6/teroxanuwijawuwugoxikiwol.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077f9f6c81d6---towefoxufuzaj.pdfIn PDF document text
- http://stinpo.com/ckfinder/userfiles/files/15986594049.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/36775385963.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/sh6j5dkpabpq63skjkr9qn2k96/potinokigi.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/rhf0ucl2pk5mf8s9i3cc74q89c/9860647990.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/74650937017.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0000da36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA36 | 5104 bytes |
SHA-256: 1a465bb35fa0f170261729bec16bdcaf031953d967b536f41c4a2656b82ca7f3 |
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font_01_sfnt_off0000eb7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7F | 12344 bytes |
SHA-256: 177eda03bfb693684a443ab7b7516a99fd1663c9603ed1067c8eec622a10fbf7 |
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font_02_sfnt_off00011202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11202 | 16096 bytes |
SHA-256: 2dff1fc3e5bf1049a512ca2ab3d4448021a5e4676c0c9a63fbc3d390c83797d9 |
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