MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the PDF is used to distribute links to potentially malicious content. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://laborke.ru/uplcv?utm_term=gfx+tool+for+pubg+mod+apk PDF link annotation
- https://strategieb2b.ca/userfiles/file/49605075712.pdfIn PDF document text
- http://bkht.vn/userfiles/file/kixojivukew.pdfIn PDF document text
- https://immo-cjeanpaul.lu/userfiles/files/fajemogumeremanutol.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383d233ff6f---gekimipu.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/rusuvalomudupimuzi.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/12857364286.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/52123824361.pdfIn PDF document text
- http://desushibar.com/userfiles/file/vejejel.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/neselogukibu.pdfIn PDF document text
- http://globalbizkorea.com/userData/board/file/41223865179.pdfIn PDF document text
- http://e2ingenieros.com/ckfinder/userfiles/files/89315403886.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/45344893999.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e751e85792---96893251758.pdfIn PDF document text
- http://vip-cond.ru/userfiles/file/58207177898.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/5f92365dc253384ade629af24cf1f804/36909316491.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614719ccdaae5---23671300118.pdfIn PDF document text
- https://duel.pl/userfiles/file/pevikelojapuraja.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/31939191275.pdfIn PDF document text
- https://vivekanandbawwa.com/userfiles/file/jutafebotaforanajikusodu.pdfIn PDF document text
- http://elpijisystem.com/file/11272940233.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161309dd2b4c16---1941498526.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/vubemove.pdfIn PDF document text
- http://gangwonbnb.com/FileData/ckfinder/files/20210914_31B50065DB6D0A0C.pdfIn PDF document text
- http://taociren.com/upload/file/210904125633728252yb8for2gnumy.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_off0000cdac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDAC | 10816 bytes |
SHA-256: b1de141edc35096ec230f3e71e916f30455d26215d7d865a24ca8a48685ce17f |
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font_01_sfnt_off0000e644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE644 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE56 | 18368 bytes |
SHA-256: 455dabc56cce87db865e85f639e33fbc50585a7e30968894490125037d15fff0 |
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