MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress upload storage and other domains, suggesting it functions as a link farm to redirect users to potentially malicious content. The PDF structure and link farm heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 http://mwcapital.net//ckfinder/userfiles/files/sipezegowiwabiji.pdf In PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/2e759a98072ac2c59ca92dc33a41a744/katuxol.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b28173025df---156768459.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/c7879bf562871e3428d6e43767409f86/zewimazajiratesebarabulan.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/61833347599.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/90812284577.pdfIn PDF document text
- http://madmojo.com/fckupload/file/mofen.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160844b6d4d78b---25731605541.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161124be7c192a---muzifatifitojevo.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/ghbd8gcupe273mp4umsjkn9la7/sodaxaz.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/janafupulisonanuxivazuk.pdfIn PDF document text
- https://jf-orvalho.pt/userfiles/file/22061823425.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c1dec40eb32---31023168253.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/dapewumezodamumebofeziz.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ec74614ae2017f9bae32f9c7271d7897/wudirekav.pdfIn PDF document text
- https://oklogistic.lv/upload/file/lativamido.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/rozowamuxasiten.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/wewijolanuwew.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/8vcgulsrbc2na8at8k1dibvl7r/90948393654.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/xaragajajozigegagonutib.pdfIn PDF document text
- https://observatoire-omic.org/documents/file/80603948426.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/xojaza.pdfIn PDF document text
- http://ruegen-ferienhaus-schneider.de/userfiles/file/luzawe.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/tatijodojisipupen.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e280466176f---93968584339.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=role+of+clinical+chemistry+laboratory+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_off00011183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11183 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12995 | 18208 bytes |
SHA-256: e782804625461c6ec60cc7bdddf4fc96beba6d7648258f0d8423c97de9aa80a8 |
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font_02_sfnt_off00015943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15943 | 11184 bytes |
SHA-256: aae67a99abe2b1661a63d282c4fd4950030d6dd23e5f206a1789943490f7f842 |
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