MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics further supports the attack pattern of directing users to potentially harmful external sites.
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=mejor+app+de+radio+para+android PDF link annotation
- http://speckrepeg.by/UserFiles/files/mivaxarawawa.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/1dd411f8f54057409e5860055fafb154/72589995488.pdfIn PDF document text
- http://canvangdientu.com/images/file/41217974358.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/setawego.pdfIn PDF document text
- http://prtourusa.com/FileData/ckfinder/files/20210909_89AD2B506EE20495.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/uqe44dgislbrk7rl41h9eu7rqo/tetow.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/55608026293.pdfIn PDF document text
- http://cuanhuadanang.vn/uploads/image/files/pafojexevawugo.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136cd29dd492---muzonisemakalawi.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/ramumafen.pdfIn PDF document text
- https://ozmutludokum.com/userfiles/file/19462441684.pdfIn PDF document text
- http://clinton.abwingsmd.com/uploads/files/98736270590.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/kebibipumijexanorikokekes.pdfIn PDF document text
- https://kebecelectrique.com/upload/editor/file/pusosotes.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133eaba9f03c---wokuleba.pdfIn PDF document text
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/bitazu.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/lejenitugat.pdfIn PDF document text
- http://e-menu.hu/editor_up/rutujedewatabozaniro.pdfIn PDF document text
- http://rubensova16.cz/files/file/52813580329.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/zilobitisuvezomapuret.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/18251222443.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/56965961972.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_off0000b539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB539 | 10196 bytes |
SHA-256: 90d651cdd00f1b9ca823e32d1f4ca7a180c91f8758a49aaab030a2bb68fb1552 |
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font_01_sfnt_off0000cc0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC0C | 17992 bytes |
SHA-256: d5ae5e950cf58b66eabed5ac8e31c85641ddd4a3807876663c04a894985caeea |
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font_02_sfnt_off0000f9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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