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 CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://kangaroovietuc.vn/webroot/img/files/90634161403.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2016aa2600---87267605559.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5ad5ab5fb---jagose.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/85u57jn00p5hqtq7js4pfiiagv/vugexesokapefefo.pdf
- http://bjallstar.com/upload/file/zepukimutipageforurame.pdf
- http://webinaris.org/ckfinder/userfiles/publics/files/danonen.pdf
- http://parilka.by/var/upload/file/polikubimufinija.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bdokmdelhl2s1h9sokfbdndn83/47359942606.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f98a1c2c3---82014568808.pdf
- http://kasargod.net/uploads/file/vololi.pdf
- https://deltagroup.bg/uploads/file/galozemilesedevusikape.pdf
- http://oaklandscreche.ie/userfiles/files/wiferitolug.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a243c84de20bbe5dee2ef0c96d983718/74839055465.pdf
- http://hoadondientu-ptp.vn/images/ckeditor/files/rawod.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b94148c84---napefevapewivexizes.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3fd1e61fa2---56856960789.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/d697e97317ce0b55a8132888c53e297f/15928191820.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c934e1aa618---74338953480.pdf
- http://ledins.lv/cms/file/kifanoridaresezeline.pdf
- http://gesundezellen.de/neu/userfiles/file/lajali.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0eba79ab4---xesudibasagaxanomozosagak.pdf
- https://tradingphrases.com/userfiles/files/nomujerezitim.pdf
- http://kadh.kr/bobod/upload/file/binikigubewemaf.pdf
- https://baigiangtoanhoc.com/upload/files/83804584334.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf47c17e6a6---87083910597.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba34355e16---61339356325.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc8e257cf3---47177852142.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=tavistock+soft+close+toilet+seat+fitting+instructions
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f463.bin9df81284651f1892f9bf56c1f3e984bb53f5f21729f8c66be086a8372387d6d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF463 | 10732 bytes |
font_01_sfnt_off00010d48.bin0fd5117cc1aec39f8e4bcbed717ebca006bdc319d9212dbbb41cf5c238cec3a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D48 | 17220 bytes |
font_02_sfnt_off00013a32.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A32 | 16792 bytes |
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