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 ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable domains, suggesting it functions as a link farm to redirect users to malicious content. The presence of external URI heuristics and link farm detection rules further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://crewmak.ru/uplcv?utm_term=dragon+ball+ppsspp PDF link annotation
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/39d4d4b18a895cdb90f3ffdb69215854/61483202166.pdfIn PDF document text
- http://minhanh.com/files/tananizipapugivupen.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/fixutikonepirefudiliwizi.pdfIn PDF document text
- http://chinatriage.com/ckfinder/userfiles/files/58849525070.pdfIn PDF document text
- http://nanumed.ro/uploads/files/ravedaxugejubixabisa.pdfIn PDF document text
- http://runo34.ru/attachments/file/90690084080.pdfIn PDF document text
- https://linardi.ru/files/file/19733282009.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/47576534156.pdfIn PDF document text
- http://pawsandtiaras.com/ckfinder/userfiles/files/37530957943.pdfIn PDF document text
- http://maksimetall.ru/files/71963253229.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/68974693938.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/vozuzaxijinikorowivipej.pdfIn PDF document text
- http://harlit.com/upfiles/file/mexofefokiwin.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1613f80dca3e1d---feruwewaxozibabiwalon.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/zuwidazura.pdfIn PDF document text
- https://majubesar.net/contents/files/38470822514.pdfIn PDF document text
- https://o2opr.co/userfiles/files/30482422134.pdfIn PDF document text
- http://sapaelitehotel.com/webroot/img/files/kipegoneperaj.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/luxuk.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/4435863530cb43e005d2d95e70dd3e13/47271686915.pdfIn PDF document text
- http://advairtech.eu/assets/userfiles/file/78337382611.pdfIn PDF document text
- https://ghadir-eng.com/userfiles/files/68736976830.pdfIn PDF document text
- http://mtjjt.com/2013/upload/article/files/210907070811368851jmsic.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_off0000d054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD054 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE866 | 17480 bytes |
SHA-256: c53e5b5abd1034781fd5827e83e9d26fbf52d36fe830b8bf26104aa8080bcd84 |
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font_02_sfnt_off000115f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115F7 | 10248 bytes |
SHA-256: 0fc24bdb666d253a3503db3b32b24223cd839cb2431c81938316d6000577c7c5 |
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