MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple links on compromised CMS upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 http://bdsductri.com/upload/files/92153753538.pdf In PDF document text
- http://hayatteknoloji.com/webimage/file/xezuj.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/53armarhvlkpce7g82qsk98mo8/35833982703.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbcac2eecc---90822508725.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/10904055791.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/7m1vu2nu4b9vem1qk0hs54m4tl/19918866536.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0a584caea---47034359925.pdfIn PDF document text
- http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/birimapijavusej.pdfIn PDF document text
- https://pakianco.ir/data/image/uploads/news/files/1668122190.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/57261127057.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078038409925---15715292937.pdfIn PDF document text
- http://delshadian.com/public/userfiles/file/mefanamozovotisosogom.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/350aae2ab5aaf8df7d5602b255e29e93/24728045549.pdfIn PDF document text
- http://x-site.by/upload/editor/files/86496835088.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/95025506026.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/povin.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/51035975587.pdfIn PDF document text
- https://hgindustrial.eu/userfiles/files/zupifus.pdfIn PDF document text
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/zutekefurafebiwe.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/difimiponawaninotebogu.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/dozanipunilur.pdfIn PDF document text
- https://easypayindia.in/userfiles/file/90686635025.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/0kpe2vv0ahotgcrsiattshrif5/safipinupamegususaso.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+cite+without+datePDF 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_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF542 | 17428 bytes |
SHA-256: 920f7d93060e3cecdee68384071b19a898911887cfe90e871b6ec16a36239cb0 |
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font_02_sfnt_off0001219d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1219D | 10224 bytes |
SHA-256: 14ae32a5326cdbcb37915c689fb643f774ecb65dd79c8d4530d53f9b51e332a3 |
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