MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to potentially compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of using link farms on less reputable domains. The embedded JavaScript likely facilitates the redirection to these malicious URLs, serving as a lure for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ms1oke.com/contents/files/rexiwobuvup.pdf In PDF document text
- https://arichaindia.com/userfiles/file/torakabukirifutiganeza.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/37989332940.pdfIn PDF document text
- https://khambenhxahoi115.com/images/files/65457799988.pdfIn PDF document text
- http://uitetenindex.nl/images/uploads/46452195765.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/23255880650.pdfIn PDF document text
- http://temple.mo/userfiles/file/xajolokifuvoxuwisemajemax.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161307a5f06c36---debana.pdfIn PDF document text
- http://7sate.com/filespath/files/20210909070651.pdfIn PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1630979902_b4689e1350.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16130c9fadd25b---waxubesemipibax.pdfIn PDF document text
- http://vntattoosupply.net/uploads/image/files/tijujugifebotilakijaleke.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/nexelenenoliwo.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd002e7406---naseneferimutolagorev.pdfIn PDF document text
- http://skia22.ru/pic/file/11635549149.pdfIn PDF document text
- https://okazionche.com/files/fapokedozemolatoni.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210901_135137.pdfIn PDF document text
- http://gaishachuukobuhin.com/js/upload/files/kilezafirixorafowosusib.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4e15812fc---37576396257.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=worksheet+on+modals+for+class+7PDF 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_off0000ce57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE669 | 18332 bytes |
SHA-256: 045781d20cde5ebf9ffffd7f0cc610a5809eb3341459a4bc797dfba8daabceb0 |
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font_02_sfnt_off00011519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11519 | 10784 bytes |
SHA-256: 95d29142a2d4ae8a55a2ba323aa0bcce9cccaaf9dc120e6d2895ddb4ec5aead1 |
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