MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting. One URL specifically mentions 'rat trojan for android', suggesting a malicious intent to deliver malware. The ML classifier and ClamAV detection strongly indicate malicious content, likely a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://oniceh.ru/uplcv?utm_term=rat+trojan+for+android PDF link annotation
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/brar2hap6d44a2fulkhaebad9e/18296591530.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/xejelazegagikemikakiwibal.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/nilijurelawezupuzil.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/dezasoginogiw.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613f97a71e9d8---99231444216.pdfIn PDF document text
- http://bagiez.de/userfiles/file/lodumifa.pdfIn PDF document text
- https://hmanagement.net/userfiles/file/suwudelolixezisesapanunok.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210906120922.pdfIn PDF document text
- http://allasclub.com/campannas/file/1433084030.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161354897220f7---82514366465.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210909034816687.pdfIn PDF document text
- http://odumakus.com/uploads/files/88977911484.pdfIn PDF document text
- https://eseninternational.com/uploads/files/37712389737.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/0d8683cb22b9693143c0f05819573a66/kilibiluzabeki.pdfIn PDF document text
- http://mh-gartengestaltung.de/userfiles/file/nutejuxixurajirevofoj.pdfIn PDF document text
- http://feldbach-tourismus.at/files/38828893607.pdfIn PDF document text
- https://stealthwindow.tw/uploads/files/202109080521529663.pdfIn PDF document text
- https://mjrspot.com/fckimages/file/95568188351.pdfIn PDF document text
- http://studio5r.com/userfiles/files/63130034125.pdfIn PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/16952087997.pdfIn PDF document text
- https://mariapolis.net/ckfinder/userfiles/files/76530738886.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/leroguv.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/rasameziv.pdfIn 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://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_off0000adad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADAD | 10176 bytes |
SHA-256: 98dc298a724f313a99558ebc68c7a498e56d6ac5e458acaf2daf247bfa08accb |
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font_01_sfnt_off0000c488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC488 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9A | 14864 bytes |
SHA-256: 72ff2a25eafe49005feca148d0a43f274777f5d56026a07155be17a032a12dbd |
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