MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm pointing to multiple potentially compromised websites, suggesting an attempt to direct users to malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download a password-protected archive, a common tactic to bypass gateway security.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://szmchem.com/userfiles/file/61184130402.pdf In PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/90513be467a8cbcfcef3919a91268a69/15207945313.pdfIn PDF document text
- http://proreferee.ru/uploads/ckfinder/files/17139422791.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/800b19a1243678cfd5e1358d116410c7/jufamemomakibaxexufib.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77618865409.pdfIn PDF document text
- http://studioagronomoserragiotto.eu/userfiles/files/jirotiwamaxuwodajer.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f46d19262---27160939184.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/66256035478.pdfIn PDF document text
- http://leprofit.ee/cmsfile/contentfiles/jigukuriwomiwemali.pdfIn PDF document text
- https://eghamatsafar.ir/basefile/eghamatsafar/files/jufupuj.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/kalemojewelusutisivedilaz.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/gavalaruvepaputosaton.pdfIn PDF document text
- http://cisseo.net/userfiles/files/warukosedemagofosi.pdfIn PDF document text
- http://szerecsen.hu/editor_up/3733896287.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021090802435893567.pdfIn PDF document text
- https://atrax.hr/files/defifipojuvarujo.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/96660148148.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/mufurulev.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb2d1b0f4f---36094294157.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/6395513383.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+zip+on+androidPDF 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_off0000e302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE302 | 18228 bytes |
SHA-256: 909a793f12d133c95a2218f82c9dc6aa4002b996763b97974de85364f04298f6 |
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font_01_sfnt_off00011185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11185 | 10176 bytes |
SHA-256: 5816c1a59afa5b4f9bfa8e2e0beeef00079ff9c322490f12bc1232399b7860d1 |
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font_02_sfnt_off0001286f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1286F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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