MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. Heuristics indicate a high likelihood of malicious intent, with ClamAV specifically flagging it as a phishing trojan. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=kill+aura+hack PDF link annotation
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/76336096106.pdfIn PDF document text
- https://kclandscapes.com/ckfinder/triplebuserfiles/file/fuxixakiguli.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/rivitifunavaduravu.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/311eqdgd2b5r1lect3nf0cbj0k/kepulisoxorowila.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/nusexavufogizufunosuj.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/87820554277.pdfIn PDF document text
- https://happy-playground.gr/uploads/_uploads/files/wifewawolonowedirejeno.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/nepubomu.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/wonidikipazaxizaxokapozoj.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/70836351712.pdfIn PDF document text
- http://cataga.de/beta/files/file/95223832690.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2f0146016---lefogemevowokajefumi.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/b38cf82a260046debefb7f01b628dc5d/67302112875.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/b97ba40d948b60dff71fec60b64abab2/dapure.pdfIn PDF document text
- http://terezmisszio.eu/files/file/zetufarowokitajimupudafi.pdfIn PDF document text
- http://mbeautyconcept.com/upload/content_images/file/nodedipowerowiparunu.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614259a938820---18050382522.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/58037529667.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/mubepozike.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc23165881---sogeka.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/cf41049736ccb5440256aff84afec402/mizefowiwusolepa.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/72982283435.pdfIn PDF document text
- http://zechnerbau.at/images/content/files/xivaxinu.pdfIn PDF document text
- https://tiemhoamo.tiemhoahaibara.com/data/dulieu/files/11671265494.pdfIn PDF document text
- http://ancient-theater.gr/media/file/40919033163.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_off0000bfa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA7 | 18336 bytes |
SHA-256: a6fcf6b2623205d5cce5db7b66ecc95ba83b133dea92adefac210f652827bf0b |
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font_01_sfnt_off0000ef75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF75 | 9888 bytes |
SHA-256: f9737792b848f3fd4582ad7a3851a3c109af88dbc75f4dc66a6d97c16b01ee23 |
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font_02_sfnt_off00010545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10545 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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