MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, detecting it as a phishing trojan. It functions as a link farm, containing numerous embedded URLs that point to various websites. Several of these URLs are hosted on compromised WordPress sites, suggesting a tactic to obscure the true destination or leverage existing vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pametnidom.hr/pametne_kuce/userfiles/file/40899663831.pdf In PDF document text
- http://ordineveterinarireggioemilia.it/userfiles/files/98938695667.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/30539343564.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/13462741279.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/fubekas.pdfIn PDF document text
- http://areaengineeringsrl.eu/userfiles/files/56876491421.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/bcr7ssqkagfkenn2sre9ehslt5/66243892186.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16131082881523---sisixanela.pdfIn PDF document text
- https://xn--espaoldetalca-lkb.cl/var/www/html/upload/file/44653714856.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/88179495167.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/49205383143.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/0a6a021cc6d57691f85c40428ac4157c/35853963225.pdfIn PDF document text
- http://realcomfort.ru/content/upload/file/47946913788.pdfIn PDF document text
- https://fishuntpesca.it/file/73653421124.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/kivizisakijigusa.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/27520795230.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/23833292422.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/33902819443.pdfIn PDF document text
- https://kochitaxirental.com/ckfinder/userfiles/files/dapowozudidukav.pdfIn PDF document text
- http://nacyc.jp/Upload/file/22283236407.pdfIn PDF document text
- http://snsi.jp/image/news_file/suxenapirijopopi.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/37922047345.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/gurawoj.pdfIn PDF document text
- http://studiopassarotti.it/userfiles/files/zijufupet.pdfIn PDF document text
- http://itagqatar.zajeltel.com/itag/file/files/naxilowinumedaju.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=fire+red+hackPDF 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_off0000b090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB090 | 15616 bytes |
SHA-256: 877c9d9edcf2440cb54e25e847c4b760c7b320f759dd6eb199b5e7f98e950996 |
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font_01_sfnt_off0000d83a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83A | 10000 bytes |
SHA-256: ca2d2b7bec95d027d4d1c61aebc2decfa345a343bf7d4b5927e9f12540ef796b |
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font_02_sfnt_off0000ee77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE77 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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