MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many of which point to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple distinct hosts and a high number of links per host indicates a deliberate effort to obscure the true destination or spread the malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://majubesar.net/contents//files/89792752152.pdf In PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f58a9555a---74949173862.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160d87e72eca2b---88646877754.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/morok.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/dc4c70a4e49bb24e1a02ee55d9c4a024/tigolafabedupowuv.pdfIn PDF document text
- http://hochrainer-elsner.at/upload/files/puvobed.pdfIn PDF document text
- http://myredm.ru/uploads/file/8533369687.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/sajiboxibi.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/golodevos.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/11853477892.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/6cb27e87537e8104449bc7db1a2ebbae/jopukipewirevixazu.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/il78dvkit7qmb02oq3m2r0b8k3/xufefukizunonodavilit.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/5q2qiqgh1jorn67bide75n5co7/68937479759.pdfIn PDF document text
- http://topcudental.com/img/userfiles/files/xuwidezizitaziweporaj.pdfIn PDF document text
- http://wirheiraten.de/images/file/33028931128.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/507a65371c6d1e90e1178647f4a6be57/mumenakokaxolus.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/a15e4f5a37723994be3d283a43e19d02/sesilikebufimifadawuzad.pdfIn PDF document text
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/ba1a9b2d3086ffb0b07901cb0ebd0a90/gepemiligogokuvabijotuju.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/b83c4a927003dab674983f36102d8c7c/nimamuzalazotoxopalew.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/83619520053.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c855a924b3a---fimekimufopejafa.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e16cb9aad17---juzavo.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/janomibumipad.pdfIn PDF document text
- http://konemara.hu/userfiles/file/lirudenurir.pdfIn PDF document text
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab6dc73694---47616138052.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+measure+outside+diameter+of+a+circlePDF 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_off0000ce13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e625.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE625 | 16960 bytes |
SHA-256: 0c2c10151ca764e83285c00eceab1bed1a3e2ac8bf258cbd5141c6ac8c9a38ac |
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font_02_sfnt_off00011261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11261 | 10708 bytes |
SHA-256: a4a526ebc5ae47b89ccaae7a1e15160ed7e065be910de1a03a3e95ae49a00f56 |
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