MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to numerous compromised CMS uploads, suggesting it's used to distribute further malicious content or phish users. The presence of many unknown URLs reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/ge7ul6ubam1i55e5vcobf0th83/vitilupamuferebagaleg.pdf
- https://kodcomputers.ro/2664/uploads/mupoza.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868542d4575---tofirapawapaxodosebeduw.pdf
- https://topclassgreenery.nl/images/file/6192589094.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/ba9dedf3f2bdc21c27b83a2a47b0aa0f/82597998425.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4835524e2---podusutizorawodaku.pdf
- http://zabradli-znerezu.cz/userfiles/file/3249765474.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e495b9b66---xamiditaduj.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a36ab92c8abf1913177649e9d8e2c558/34951356193.pdf
- http://emke.hu/uploads/ckfinder/userfiles/files/refexuzezimu.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/eebc0355c6e116a99dee35ab9841306c/mebolaforewabozanonokujaw.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0eb3a203c---lodakifufawuki.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160805f083b9e2---6237146960.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/ffa87c2d4a90f42262dd82abcf0f112d/13499792686.pdf
- http://obasekiestates.com/UserFiles/file/69330903840.pdf
- http://bigandtallking.com/userfiles/file/weredefowepojitukozibag.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2a5d5c684---fewom.pdf
- http://sochisushi.nl/survey/userfiles/files/koxunesosogadiv.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7851258f00---fimafigepolowerovupix.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/fogafifedite.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/603412ac8bb4f5c24d838c16e4d52fd1/jonemaj.pdf
- http://yossy.biz/userfiles/file/sekobiwizik.pdf
- http://ytbozhuo.com/upload/file/231449491972.pdf
- http://tipsclubcr.com/campannas/file/sizuva.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608947277806e---vagimipuviri.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=semiconductor+textbook+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_off0000ee16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE16 | 16792 bytes |
font_01_sfnt_off00010628.binf345fbce3006e5e0e5eb3150b27b532e819a70cd1f608c93f0444efa6fb8ae3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10628 | 17412 bytes |
font_02_sfnt_off000133ed.bin166d5f3129139bf09cf3dbb9d6ae594fb6ea67504ef2654fc3b1ffc85d20b412 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133ED | 10916 bytes |
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