MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URI links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://allytemp.ru/uplcv?utm_term=expo+deploy+to+app+store
- https://pnp-studio.com/fckeditorfiles/file/26489152379.pdf
- https://keongracun.org/contents//files/9093679978.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/02ee4d87e50eaa2ab0ad65a89fa72bf5/6387124312.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/32a888c40ca018ca7ff6eec5c4fb9820/67918410777.pdf
- https://medsplus.us/admin/images/file/rabunalavu.pdf
- https://istanajpdua.com/contents//files/suverekidavijedime.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc86acebd7---fogeg.pdf
- https://sindonis.com/userfiles/file/48690729054.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c5061ecc9052c4f28a8401998bb1f44a/74392103160.pdf
- https://ildiko-szepsegszalon.hu/userfiles/file/ginunovokegexeluzo.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6a68b0fe1---46846136716.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/2a32df65470883d5127aa4fac5f72058/ribejogafumufa.pdf
- https://accesoriosalmayor.com/images/userfiles/file/9815656071.pdf
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/0399c428deef91978b06912e8645e6fb/11402745228.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/c33b2acf4d47c9dc49cd974c2b662f30/fiwijabapesapenuluwuza.pdf
- https://memoservicesrl.it/file/3237958430.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/dtbq879rnur63g9f4su5rl0c3k/1304197890.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/38jtu74s49k4gt2lt6301qg2jb/45031000924.pdf
- https://adepotcustom.com/UploadFiles/file/20210508204955108.pdf
- https://cambodiadriverservice.com/userfiles/file/1461028692.pdf
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/4e6f0e5958feb4cd90bb39f881c157af/8192304049.pdf
- https://avgdesign.com/userfiles/file/banekejaxuwowevurirabisar.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_off0000ef02.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF02 | 16792 bytes |
font_01_sfnt_off00010714.bin1e1f320c4b440b7b0d27c5a01e84377fe12b63d54bd7da675b591af3f6ec4b32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10714 | 16928 bytes |
font_02_sfnt_off0001331d.binb9a2d02020542303cde7f6ab71fc6ac5ee0d33b89ffdbb0a8a1646a680c5b93a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1331D | 10388 bytes |
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