MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content. The presence of external URIs and the nature of the heuristics indicate a likely spearphishing attachment used to deliver a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088aaff9df16---69979428685.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160baef448e0a7---jokilojajekonazetuwobi.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/18e5f6bb171bc200b3fd97a5364fe27d/1419742106.pdf
- https://abofahed.com/userfiles/file/xukagurutudilemofapezode.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1f6da2002---34206502463.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4f74e1501---vujajefape.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/39b4038af3466ce07a6614ed7de2044c/38673943950.pdf
- https://pmms-online.com/assets/file/rerunotakilesebo.pdf
- http://sistersaviopublicschool.com/userfiles/file/pakosuruxewifimebexenebo.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16071feac93ff4---51008798323.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607adb649ca41---runosibobar.pdf
- https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/ccab3183d8b3f0cdbc1e2c23a9f65cf3/zemininuwifesofekiz.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160993728ceba0---590066814.pdf
- http://alliusie.com/userfiles/file/2128663672.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160912a790212f---94866898841.pdf
- http://hurtmar.pl/Upload/file/40930570857.pdf
- http://fabtur.ru/upload/files/6279198421.pdf
- http://ahkjt.com/upfile/file/78078305021.pdf
- https://anandamsanyal.com/userfiles/file/numozibosi.pdf
- http://skiflogistics.ru/userfiles/file/kudasoguwefisob.pdf
- http://amctop.com/board_data/editor_img/file/202105171357.pdf
- https://aitalk.vn/upload/files/nekiwisinikeberilo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=sample+paper+class+10+science+2021+with+solutions
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa08.bind5ca9ee1feec03bd7e4104dda4b9140a54cf722ba47694d812af34fae81cdf25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA08 | 17184 bytes |
font_01_sfnt_off00012700.bin736bad5b1f990d62aed4ecf6620ce51020afb900679dca4ee8c145c7c85029fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12700 | 17192 bytes |
font_02_sfnt_off00014027.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14027 | 16792 bytes |
font_03_sfnt_off0001583e.binb3e4fd65fb37392b6b6c1f04f694a3a37a07dbec46ab4be8f9f90dd0b974d4aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1583E | 11192 bytes |
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