MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm for malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware delivery mechanism, likely involving JavaScript for exploitation or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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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 http://bright-mineral.com/uploadfile/file/2021062601544714.pdf
- http://garantc.ru/userfiles/file/fegumeforap.pdf
- https://loctra.net/userfiles/file/mufobasuzevapubit.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/3a6453c9e0c2902ae0a504de0a733fc3/bikoletemotuxepexepalijox.pdf
- http://cuatudongsaigon.vn/uploads/files/jugototanefagarove.pdf
- http://alternatifmedikal.com/img/userfiles/files/kutodepuzoteruxubulisixen.pdf
- http://yfatc.com/userfiles/file/56420122115.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814bd2f12a0---58907498060.pdf
- http://vvk-wiedermann.at/userfiles/file/wabolozafonawa.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aade6654313---91827518204.pdf
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/a112d6c0b9ff6d6287c225f411f502d4/77801463552.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/971ffe65307ac4cf0382594963560920/dulasimutibezesubofifexe.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/89691914490.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7b038d557---12674458454.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/bav2due4c37ah6uqb604r65393/dikasanirinoritu.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nbporo8b2fkhs2dlp501vkd9q0/fidoneribujab.pdf
- http://amandatravel.com/userfiles/file/guxadanibubeza.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/9958a08109fda8f593a3ffecba7a2bf6/kibokijerutuvixizibiri.pdf
- http://orderleesushi.com/uploads/files/gerunopebuzokos.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160729f9bafffe---5713215448.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae66a6e407b---51599350112.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=merge+two+images+into+one+pdf
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/d3ed5f582b99d18f6098e0cfe3cb14ad/rodepogabevajal.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_off0000e772.bin2fbab670f2d2b3551ce70b9cba218bbe01f8e9161cce73124bc0f5ef9f5fbac0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE772 | 10872 bytes |
font_01_sfnt_off0001006c.bin416f2fa7f68393823e416cb811b8d3261ae8338ca64b949ed67723cca73c2e08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006C | 17396 bytes |
font_02_sfnt_off00012dc8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC8 | 16792 bytes |
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