MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://kolbandibileklik.com/resimler/files/35826075338.pdf In PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9ef35c389---61939457628.pdfIn PDF document text
- http://fitviewer.de/files/file/vogogebarivezaweloj.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a79a3be92---xowibojiwuje.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/jo5lvqf2oeiaf1e9rmor0uriel/tawikidawixono.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/94792009759.pdfIn PDF document text
- http://hansungidschool.com/userfiles/file/89463876178.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/029a653e3a1ed08a02b3ecc3aab50d47/dafojoxuxususo.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/87013397553.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606e87a91d321---16292018493.pdfIn PDF document text
- https://secolink.sk/userfiles/file/sunotafebowavekufi.pdfIn PDF document text
- http://15441707.com/data/board/file/20210803043218.pdfIn PDF document text
- http://studiocariola.com/userfiles/files/87845208036.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/93002466812.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a906281c33b---82959795749.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d29249e7457---89143281010.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210901205633.pdfIn PDF document text
- http://www.seja.lv/assets/ckfinder/core/connector/php/uploads/files/16721362776.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3ea4c19ae---lanorajenarufotefodupoluv.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aacf0640e20---pifepaxi.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/h8ps7nqijnigrimikcmegbiti2/bonetomuxijiduzazopotup.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/l9hjcoe9jlqkvoumi9to19uvj1/jizesovafusizirodetek.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/35emkpg0q1dmbt7c5clicok921/13327957457.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/pr98nps79envqr826r3mbne5l7/vuzifezinolasotomusodebeb.pdfIn PDF document text
- https://xn--fct8ml6mwue.tw/uploads/files/vitukuni.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/55795242071.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=human+reproductive+system+male+pdfPDF link annotation
- 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_off0000fd3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3B | 17688 bytes |
SHA-256: 39781deeadeebd7da55bae82ccb9f201c54dd81c452865131323c115772d7e0a |
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font_01_sfnt_off00012aeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14302 | 11052 bytes |
SHA-256: 5a2970e222220394a5cecbee5d3930b2bf7724c9e858b13a6488d8f47c3785ae |
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