MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple domains, some of which appear to be compromised WordPress sites or disposable hosting, suggesting an attempt to distribute malicious content. The presence of a 'download' button lure further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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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://4appsoftware.it/file/43038561562.pdf
- https://ladangmimpi.com/contents//files/70055832448.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/7fceeu7ummuu0urbqrnj1lvbdl/wumugogikulesavip.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607424e0d2ac9---mupowufegogizo.pdf
- http://nhadatv.com/webroot/img/files/89014960692.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608472f61eead---90259189956.pdf
- https://alexandrapanayotou.com/web/images/static/file/25798958711.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/7459aed3432ffbf93b3d11e5248a1bef/76404980944.pdf
- https://mokhalasati.com/userfiles/files/zegokinalinonobine.pdf
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/54887454457.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a4dbae6a9---rakajodavelezo.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9626ddf3e0---46104730516.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080302968478---kunawirixotokonazive.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/16221447ab631cea1286be66d7b971fc/noxeworoxegifefijuzedasov.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/df4174caba886f783c92cc76fdc8648c/32734800844.pdf
- http://palyavalaszto.hu/teszt/upload/file/95699999196.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/f3ef2d3c69c4ba2d84484678f146d77f/dilibuxit.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a938ba154c---sugewifipomesazaf.pdf
- http://fedime.org/imagenes/wolevalivetazakiraz.pdf
- http://ekolojikweb.net/upld/userfiles/file/17226269533.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8b2113e7d---sonozakupuzim.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=homeopathic+medicine+for+ulcer+in+stomach
- 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_off0000ec59.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC59 | 16792 bytes |
font_01_sfnt_off0001046b.bin07806f33bcceda9d03dfddf6c4bc2f2ed0fc08a8830a802f83be1ec9a4babfaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046B | 17136 bytes |
font_02_sfnt_off000130f5.binb623580cd8547226ee709c269332c35c64eee013b8a50df506c3949a65024fc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F5 | 10976 bytes |
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