MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. The document body is heavily obfuscated and unreadable, suggesting it's not intended for human consumption but rather to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
Heuristics 6
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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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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://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/56444604493.pdf In PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/afed5e1fbfb16463bced51db848b6227/juzulerupivajegotodum.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1da3fabe30---fabalutam.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121ae4760abc---rebuxapowagiwunivijo.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/dc52ff69069c744695594a779b7c1741/72208763502.pdfIn PDF document text
- http://retroldn.com/userfiles/file/3412816647.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073249615f3d---47399927229.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b475b4902fb---17278805371.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607df1ec6229e---2552344257.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/ninawujowizagiwekujulesuj.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/julurugikajimi.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16076635a7f9e8---foxidogukavobamodufubafu.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/nuzidazekexawugebevetel.pdfIn PDF document text
- https://dla-pracownika.pl/pliki_user/File/zigugerijepixotiz.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/wowigaliketejoxeseradi.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/880f1aa549bda6f5507e7e1f5d08d112/sigiv.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/27734248676.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/5ca071800e6bc654278fa25c9796f9a8/71721893448.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-6-23/20210623115118784464.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/c68c4dec154c4e9c5258237e1d79063b/kexabesedezov.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f3a483be98451f3f3b23e4e22eb8fbb9/87515881444.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/hvtci5gn0pt9tug94riegr0t53/18091799911.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb26d0ead2---77464622867.pdfIn PDF document text
- https://bosgo.mn/uploads/files/pijeserevufigiwudujepurag.pdfIn PDF document text
- http://angelofthewinds.net/ckfinder/userfiles/files/93047413174.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/99631ed8607526f6fa8e97f377fdd0dc/fibuvatefo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=extra+sensitive+peoplePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013a13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15225 | 20440 bytes |
SHA-256: 95d1aaaead81c312dd9cada9eb936d7bc48694a2593562a94c6ac0dfe376a85c |
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font_02_sfnt_off000185cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185CD | 10396 bytes |
SHA-256: 1e4140e751f4e6f5c16b51e13d3314fa7f5640b68f3b5dab16c25eadbfab48f8 |
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