MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm used for phishing or distributing further payloads. The PDF structure and embedded links align with common tactics for spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=audio+vision+video+maker+apk+free+download PDF link annotation
- http://hoteldarim.ir/basefile/hoteldarimir/files/22894673759.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/62748658802.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/45902496078.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b2bf4d61f9a47ef258f6860b35c58822/kaxojalod.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/cbffd7e0f65fec597c4d1fbe8bef8680/botelo.pdfIn PDF document text
- http://giadinhmedia.com/uploads/files/volonebuzevesa.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/8218919642.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/88377151954.pdfIn PDF document text
- http://tiendanatacion.com/noticias/files/mowadise.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/wejogivixexa.pdfIn PDF document text
- http://tpfish.com.taipei/archive/upload/files/tatevasonapisodewi.pdfIn PDF document text
- https://qnzar.com/files/91823801450.pdfIn PDF document text
- https://vegas-shop.net/uploads/files/gexojufavonibew.pdfIn PDF document text
- http://haustechnik-hagenauer.at/20926803779.pdfIn PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/butiguzugakokitofuso.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/rutiximobu.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c64ca7da52---wesasazogelosabak.pdfIn PDF document text
- http://canadianrockies.info/files/file/luweninil.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/34421370845.pdfIn PDF document text
- https://mannoorpally.com/uploads/file/8558945734.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/xonilezedofamemepo.pdfIn PDF document text
- https://myclubowners.com/userfiles/files/tajubibije.pdfIn PDF document text
- http://vitalchurchesinstitute.com/files/file/rosisa.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210905_095156.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_off0000d829.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD829 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF040 | 10884 bytes |
SHA-256: 746713b9e75dc5defac13a26f3c864f389f14c0718d4691b59b5a3c073a5de86 |
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font_02_sfnt_off00010972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10972 | 17920 bytes |
SHA-256: 8602be5ae701aa1f67187fa54724af2570c614023b6dad05e3d207684117c156 |
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