MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs that point to various websites, many of which appear to be compromised CMS uploads or disposable hosting, suggesting a link farm or redirection scheme. The primary purpose seems to be to lure users to external sites, potentially for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://searchlink.org/userfiles//file/27842228393.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160998e045ce00---4164012966.pdf
- https://heuresromantiques.com/upload/files/18962783434.pdf
- https://unifor975.ca/userfiles/file/14860593611.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a3b75fb319d3d4f13241e4bc83457116/35505853439.pdf
- https://traveletrust.com/basefile/traveletrustcom/files/kotogidedevuwoniru.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1dbca6d88---34231915294.pdf
- http://ubestsports.com/imager/files/20210607134745.pdf
- http://ateliergermain.net/sites/default/files/file/rifevorit.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/31b5f5b0afd0f98a917035e25f05b8cc/54725543290.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/iovp1kukpfoeavtbn6rp9634rj/kanamuwasewuxaje.pdf
- https://ferado.vn/userfiles/file/93997714876.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/b7c220b000af806da3427b1fa5187e78/lojerutetigubiz.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/5768071bad9e67bbff1d1c74561d8ff5/nilezagofuninev.pdf
- http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/nebetof.pdf
- http://sevimticaret.net/userfiles/file/xisametidetusajebagojuge.pdf
- http://somsit.com/ckfinder/userfiles/files/tosutimifomutigixegebabib.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7bbc4191b---sonafo.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c06646346---26186469328.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beca15f2ca2---15824888982.pdf
- http://vectorma.ru/uploads/assets/file/sufagogube.pdf
- https://licorne-hotel-restaurant.com/userfiles/file/53938834204.pdf
- https://alarrabnews.com/images/content/content/file/bozavepev.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=functional+specification+document+sample+web+application
- 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_off0000f1c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C4 | 16792 bytes |
font_01_sfnt_off000109d6.bineb0b7226c25bd0ffe7803fbc4dc05ecf7c88c4bc294754838be1e0fe656d0e81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D6 | 16324 bytes |
font_02_sfnt_off00013457.binc498ce0f1af85c02b81f636e0e6d4d2f89ad9803968e76ed9ad5147db7f87eba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13457 | 10984 bytes |
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