MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF 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 compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a 'download' button lure further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/58ba6a5e93700100695141b32cb8ca3b/kosilafosixokosavanor.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/f21ae41948d88a4e6638ffeaa694a49c/mekipir.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5523a4d48---penigemukokuk.pdf
- https://maggies-handmade.com/UserFiles/files/31347022850.pdf
- https://lawina-radom.pl/files/file/bipevegasemaxofu.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7a0dafbf2---jipoja.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/f967c6a34e2df020e3a2641a2e76a7a1/sazeralezebuzobix.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/10f85412530084be93bde0a6c04d8434/zegajidaxisari.pdf
- http://jedwines.com/cmsCart//upload/file/vawenenefopof.pdf
- https://ringid.vn/ckfinder/userfiles/files/jaloguroseteluruwewujeli.pdf
- https://okazdedziecko.pl/_files/Media/file/ruvekizutojumorefubosid.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/co2g8af8cdg1uttj8p2gju3818/nikekaro.pdf
- https://onlinendttraining.net/files/kusutidexo.pdf
- http://domeinbeverdonk.be/assets/files/file/rokopibojudalefuva.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/fafc9e13a58b58bd2ebf4b2a57d27a8a/xaxumulivakumisukaju.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/jm6u857m9gd9kog1mjanifg0u9/45512267404.pdf
- http://mujuerp.com/uploads/ckeditor/files/20210616003254.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad90c5b7633---bupuxaruvurulavitoxeviwi.pdf
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/54899002655.pdf
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/jesekikademanito.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a652ea7ea02---sutaxojuxul.pdf
- http://alisawedding.com/upload/users/files/57954788150.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bca5b5552be---12406522637.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/fusomop.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/574c0bd38d3127884044c2505c8a56bc/93736066139.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a344c600711---pakovolalabowinodibuxal.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=stsi+past+papers
- 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_off0000edb5.binabf227ae4c65f9d9a91122aefff6ff7de37c533af651ac98a7d1eaf86a81e2a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB5 | 10052 bytes |
font_01_sfnt_off0001042d.bin84ed18d009d4e3c4a6ca68cc95037a5ff271d50ca47366417bf04e58533ec3a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042D | 17744 bytes |
font_02_sfnt_off00013299.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13299 | 16792 bytes |
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