MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://queure.ru/uplcv?utm_term=day+without+sex+memes PDF link annotation
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e822228fa---14269208308.pdfIn PDF document text
- http://mamtomchabahai.com/uploads/files/files/75098972430.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f5240a4652bc80bda1243eeac868e7e4/kafadipepubedudowuzegisu.pdfIn PDF document text
- http://momsystem.ru/public/file/fulexokerewakin.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfe0dd10e88---lenurojajolekixusegidi.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f351ebf8b---76635895419.pdfIn PDF document text
- http://washchienluoc.com/upload/file/tadetisur.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/727534417afe2b98c50108648d2da9af/58727900902.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a447140a5d---vobapudefot.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/takif.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161107c836dc28---metevatido.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/36332177727.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b3acc83ee---tewasotijugareli.pdfIn PDF document text
- http://ristoranteibucanieri.it/userfiles/files/vuvanakuninepamuniwulifu.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210621124935.pdfIn PDF document text
- http://gillsandgeckos.com/userfiles/file/5735144135.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/5889238610.pdfIn PDF document text
- http://aldobini.it/userfiles/files/79901245271.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/lavibajebekutawanuvelu.pdfIn PDF document text
- http://baiduvpn.com/upload/files/84195179940.pdfIn PDF document text
- http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/59817960432.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848989bfcec---mijebopekex.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/3c15bb4d16b022d4c5632c63a62f9084/xakolomiremoz.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608f58e709316---3683215924.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_off0000ef3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3B | 17432 bytes |
SHA-256: 7dbd7d36791493b9dec72e40afeed8d5b46a004bc6f6892d919702c7122317c8 |
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font_01_sfnt_off00011cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF3 | 10524 bytes |
SHA-256: 6f76a74c7b22acd63e63bca3bc43938d5b5b15face45a10255e946e07314d8c9 |
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font_02_sfnt_off00013514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13514 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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