MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file exhibits multiple indicators of malicious intent, including ML classification, ClamAV detection as a phishing trojan, and numerous embedded URLs pointing to potentially compromised or disposable hosting. The heuristics indicate it impersonates a cloud document lure, likely to trick users into downloading a secondary payload via the embedded links. No scripts were extracted, but the overall pattern suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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 https://coretry.ru/uplcv?utm_term=portal+office+365+owa
- http://savaksangida.com/resimler/files/vuxepo.pdf
- http://jandenzobv.com/image_uploads/file/38208035955.pdf
- http://boldogelet.hu/media/53385204132.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc5a22b554---8884570053.pdf
- http://feldbach-tourismus.at/files/77366959224.pdf
- http://homeopathyhongkong.org/files/14683452055.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16130b5fbee2fa---figewipopimufur.pdf
- https://inprovituruguay.com/ckfinder/userfiles/files/37584960485.pdf
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/xatezirudeneloredu.pdf
- https://butterfly-propertymanagement.com/userfiles/file/75211734203.pdf
- http://bikaji.zohukum.com/ckfinder/userfiles/files/74960043038.pdf
- https://travelone.ae/userfiles/files/3431308997.pdf
- https://galaxy-training.com/userfiles/file/92538883598.pdf
- https://samsungdvmklima.com/upload/ckfinder/files/zezukofoxonabekodemesosij.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161347036f268a---fopolanufukaxavekotidoso.pdf
- http://beveragesgs.com/userfiles/file/62138593448.pdf
- http://tetrafluoro.com/upload/files/77857608492.pdf
- https://alperbehang.nl/userfiles/file/kixirutovitinotuva.pdf
- http://dalnoboy.org/data/filestorage/upload/files/vemodejudinegewidig.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/33c5bff86ef5f3c84119b4022242685e/66075524291.pdf
- https://szabobuszrendeles.hu/files/files/kodibedokerenikogogo.pdf
- https://interconformity.ro/images/file/wagiwebaxonule.pdf
- https://charterfori.ir/basefile/charterforiir/files/luxolitulenosimow.pdf
- http://savaksangida.com/resimler/files/tomijetigulogusowojuxe.pdf
- 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_off0000d6ee.bin205606cbb9388576499bbe471a6b37ba3a9d716ad0bb0ac7624dc19f8e96f661 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EE | 18780 bytes |
font_01_sfnt_off00010780.bin3a04e59ae80384368f351fa94cbadabea3a6b7c5ce3f273273dd414b0ab2beb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10780 | 10620 bytes |
font_02_sfnt_off00012003.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12003 | 16792 bytes |
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