MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to compromised websites and disposable hosting, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload is intended. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://cructi.ru/uplcv?utm_term=jailbroken+apps+for+firestick PDF link annotation
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/3e0c28bc8d476652995a0990df667e6a/xutozegovukazitit.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/69376192709.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/0a85ead5214078d32b0a0e5f61ace1ab/tusulenesonedonek.pdfIn PDF document text
- http://bastola.org/userfiles/file/jilivonabotijugakazuwobux.pdfIn PDF document text
- https://cplastik.com/data/cms/file/gigataxokipizelomebu.pdfIn PDF document text
- https://lacgl.org/upload/editor/file/kodurigufuvitawag.pdfIn PDF document text
- https://marsanz.pl/uploads/fck/file/39863871032.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/11819581021.pdfIn PDF document text
- http://totoumi.jp/upload/file/98493495635.pdfIn PDF document text
- http://berbun.com/user_img/file/32660027183.pdfIn PDF document text
- http://shinies.ru/img/lib/file/4027478391.pdfIn PDF document text
- http://guowangcable.com/d/files/48969633622.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/93026139564.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/61932029761.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/2e445dd24f4e3591a477c6fe13f7a89f/dedizipokigutunonugizo.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614352f507b79---435718793.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/ludirujijuwijatizetu.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/gulivofolibifogobamisud.pdfIn PDF document text
- http://zkpower.net/upload/files/54815505282.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/wigugemobilepemi.pdfIn PDF document text
- https://idea-web.ro/app/webroot/files/userfiles/files/sapukorezunozozumesabozok.pdfIn PDF document text
- http://colantuono.it/userfiles/files/94219960575.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_off0000b457.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB457 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC6E | 10696 bytes |
SHA-256: f5fe2ec97abf5f28b08e8258f1707d9d68d9b1717eb0d2faacef40fa8c2150ea |
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font_02_sfnt_off0000e4dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DC | 15128 bytes |
SHA-256: a84cfd8a11da9703ec02817553fd4d035154407bc98a8f702d678120d9ed61b1 |
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