MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple links pointing to compromised WordPress sites, suggesting an attempt to deliver a malicious payload. The ClamAV detection and ML classifier further indicate malicious intent. The primary attack pattern involves a link farm designed to trick users into downloading further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 8
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/219e73622266268acaa547cf84dbfffb/xunofelovo.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160db50fa9659d---10451458274.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1a7531ae6---46883581495.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a634a8385b---31405637362.pdf
- https://imad0c0.com/js/ckfinder/userfiles/files/fuwogofibumo.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c77b2673d5---fivazufuxitaxetapovivul.pdf
- https://kp-bs.ru/upload/files/96849096725.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c8d9dfb2f5404f1af935d99621852e80/vabutuzejelase.pdf
- https://vico-domrep.com/ckfinder/userfiles/files/4044608979.pdf
- https://whatshoulditcostme.com/userfiles/file/13533314548.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b6dbcd5b316---17843379707.pdf
- https://syteq-pro.com/userfiles/file/muweluzegosavonizun.pdf
- http://studiogaleazzo.eu/userfiles/files/38387465880.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/e867af4bd999b588ea8fb90d8696eac8/1577384402.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/961bc29914ebd4208b3a7f38f64fdf43/83981916237.pdf
- http://innotec-industrie.be/userfiles/file/91996445701.pdf
- http://volkshilfe-vlbg.at/images/content/files/16013220013.pdf
- https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/18342074500.pdf
- http://nguyenthaotech.com/upload/files/14531057214.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/mpp1tgbh0gg8geiislsmfjhrs7/46390596770.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa01923c5f3---ripanemopajalojut.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/j66u1te8e71kmaa89ucusap250/zepeju.pdf
- https://colakcivi.com/userfiles/file/38737832075.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=toyota+techstream+download+windows+10
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A0 | 16792 bytes |
font_01_sfnt_off000108b2.bin3e0e90e7fb112a7f6a66d954fdc5b08ca0c1da62f749031af6573abdec738ea2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B2 | 16540 bytes |
font_02_sfnt_off0001335b.bind7788044f2d19985d7e9593d5b8e79dfc5cf83016f7877e6d8cab7d84191d7e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1335B | 10972 bytes |
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