MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document, likely delivered as a spearphishing attachment, that redirects users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://kueapem.com/contents//files/navuluviwosex.pdf In PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/fc2ec8ad1263bf959d099e2e6f54d126/bomikoxixusimes.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/36234888aefa4fdb9ddeebffbbeaac34/guwesasu.pdfIn PDF document text
- https://panama4d.com/contents/files/44376609384.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/cce112739c447538c248c0e90ea9ddf2/40915945246.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/71e10ff1e46fe95e68a6a2d58fae0d9c/60350988277.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/prmjts8mfva0fjnadf24d38nt3/40635549788.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/e9cd43b3fae4166d524d36fd705e9057/70302321466.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/96959023642.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/61c412a359bc8af05598e20690b5325d/loxafitejufopukigo.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a91c37b314a---gunok.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c8fae9522---lodokuxe.pdfIn PDF document text
- http://jfe.hk/userfiles/topidofubawufur.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/87547081122.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/12706408064.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/d25470c3c409e1eef7848f8aed805683/77417536611.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/3695766131.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160aaac6ee88e7---75349962502.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609026562164f---nufetidelitunubolo.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/52061002782.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a341aaa5e14---zazivifesakad.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160739d9c7c2b6---pexezofabitewuku.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/76225824105.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/43210590449.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41573af054---xuvafikevibogufe.pdfIn PDF document text
- http://3xlove.com/uploadfile/file/rujaxiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=9+most+liked+photos+on+instagramPDF 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_off0000c71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC71B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF32 | 11004 bytes |
SHA-256: 4f6b17d5bd140468e4ade3efd5adbdb816a9fb86acb6ae1112e142de8c2359b2 |
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font_02_sfnt_off0000f855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF855 | 18324 bytes |
SHA-256: 3e04e42f45a1c3391df77240688b27f72582fa8fab4b96c24ae510faef927e0c |
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