MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. Although no scripts were directly extracted, the nature of the embedded links and the PDF structure point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/5498471622488d23a63dbcac498a1fe2/95009833028.pdf
- http://solemarservizi.it/userfiles/files/37552482907.pdf
- http://dungcucaytrong.com/images/files/modamigorawu.pdf
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/lenilofoxonitebom.pdf
- https://hatinhjobs.com/upload/files/vosubufifaseja.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b199a7ca0---67235209159.pdf
- http://dynamicyunnan.com/ckfinder/userfiles/files/33829127282.pdf
- http://profstil.az/userfiles/file/51977225314.pdf
- http://ambulatorioveterinariocamali.com/userfiles/files/38487041084.pdf
- http://tsradviseurs.nl/mailing/images/photo/file/82967898200.pdf
- http://kdekdyjak.cz/data/91327115439.pdf
- http://seattledesis.com/fckeditor/file/9636089201.pdf
- https://premium-house.uz/images/file/69470028918.pdf
- http://nadafashionbelt.com/Uploads/file/gomomipibawe.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1915c6a79---numemozisabemu.pdf
- https://oilbasaro.com/web/images/ckfinder/files/20210902135452.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130f1b569f53---lakufubomuguvavozoni.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134b1513719f---xexovotifamok.pdf
- https://illustrations.noche.fr/images/files/kosifu.pdf
- https://medius.sk/userfiles/file/bipokurosi.pdf
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/gorizuwogidakatezud.pdf
- http://thesnowmanicecream.com/ckfinder/userfiles/files/20142900284.pdf
- https://tnmkor.com/FileData/ckfinder/files/20210913_536BE3CC1FA52EAB.pdf
- https://monographie.com/ckfinder/userfiles/files/rodevorutatijesovo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=peter+griffin+soundboard+download
- 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_off0000bcc0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCC0 | 16792 bytes |
font_01_sfnt_off0000d4d7.bin7d3ed62f7923049d718c54bfad4507309f9cdf48b6f4ada39bb3bf0190b8270a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D7 | 10856 bytes |
font_02_sfnt_off0000ede5.bina24cf459da4baefda3ff39deb78ddab865481669aeaef6ec5e9aee10c45ecb9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE5 | 17864 bytes |
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