MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, the file exhibits characteristics of a link farm, with numerous external URIs pointing to potentially compromised WordPress sites and disposable hosting. These links likely serve to redirect the user to a phishing page or a download for a second-stage payload. The ClamAV detection and ML classifier further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://galsabino.it/userfiles/files/xefejunetomemu.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609426bf9d81f---gudalugaradedobizijo.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/b06386f7e38ffabff5df272f494d65b4/5597409575.pdf
- http://sincaremedicaltour.com/js/upload/saretipuniguwobunivulun.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/1ftkv4v7t58kbptvhq8h9j542p/88295719585.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608044146e0a0---98258173302.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f0f867cb6---fojizavamijozijivuna.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/aa01f9a19ba886fc049e5cca3de13ce7/sufabazagolulegogobipusi.pdf
- http://hkalc.com/userfiles/gufusuzedibeg.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/899b1761e571f4df3d6f7cb1d20ebf1e/61095563596.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/po38achtafbh3ljbiuumk7fqcu/63424768346.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/785267783bfc79490a7def2f2d0adc5c/1160285288.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/2uhneap01roo85g2h60na5jcm7/43921622261.pdf
- http://sam-global.info/files/file/wigujexiwulaxijiku.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/eeh5irnbgp0nfe7komb63gavhk/84472256740.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b7329788ba6---pogisabuvubikew.pdf
- https://reaga.net/js/ckfinder/userfiles/files/87906274429.pdf
- http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/58708956164.pdf
- http://ajtoablakcentrum.com/_user/file/2769701034.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f21440c50b---bosubariwajabikalop.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8e3f251ed---nopezididovakizew.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/j77vfuh7vse44n772qgpsdffe2/nadikenelevagej.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c74498aa2ee---6182733652.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=standalone+pv+system
- 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_off0000ec21.bind063bb635c81effc9b605f07a9c2c9b0ae00d4bb930427a5412af77d2dae87e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC21 | 10616 bytes |
font_01_sfnt_off0001046f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046F | 16792 bytes |
font_02_sfnt_off00011c81.bin6a319e738ded08244b5ef8c8eed76a240bd2e8a8a6e39cda9a5555498398185e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C81 | 16648 bytes |
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