MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, with several pointing to compromised or disposable hosting. The presence of embedded JavaScript and a high ML classifier score further indicate malicious intent. The primary goal appears to be redirecting users through a series of links, likely to a phishing page or to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://dxqzx.com/ckfinder/userfiles/files/20210901_192735.pdf In PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f61a2b8f7---wamavosupawome.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/20743162221.pdfIn PDF document text
- http://patroha.hu/file/xojaxodivaxapeguwova.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/55197132638.pdfIn PDF document text
- https://sambelteri.com/contents/files/watuta.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/66088208930.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/75402739578.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/nakikisepekijotevuwug.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91788984841.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/nebajifena.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/jakoxikufokusebat.pdfIn PDF document text
- https://valkexclusief.reviewz.eu/app/webroot/files/userfiles/files/fagisokorijad.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/e6eddffe3ef5cf0d14bb18eef1102ee4/58099093118.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/gevimeduzujoxukami.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16132e1a32f99f---jawexo.pdfIn PDF document text
- https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/79593245562.pdfIn PDF document text
- https://megatekspb.ru/sites/default/files/uploads/nukisowom.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/pakinorokejurogel.pdfIn PDF document text
- http://www.physedu.in/newsite/userfiles/files/56243543563.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/xiwag.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/tajiku.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=best+website+to+download+torrent+moviesPDF 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_off0000b467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB467 | 20912 bytes |
SHA-256: 279c1c9f6267359ce4faa60de3a996eb42b4fe92e54ec0e81cb7972e9217bbb1 |
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font_01_sfnt_off0000e9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D7 | 10752 bytes |
SHA-256: 09f6e23c61a8b0ffcb1a5398d7438d8e276d3be87d79208aae12b8c30ba048e6 |
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font_02_sfnt_off000102a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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