MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure strongly suggest a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.7792
Heuristics 5
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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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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://allytemp.ru/uplcv?utm_term=house+of+fun+free+coins+cheat PDF link annotation
- http://speckrepej.com/upload/file/xukixowugotekoxitunesu.pdfIn PDF document text
- http://cissud.com/uploads/ck_editor/files/fosokoseripuxukenawepar.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/66923945095.pdfIn PDF document text
- http://cgpreceptor.com/ckfinder/userfiles/files/levubafijiset.pdfIn PDF document text
- http://huucodatlanh.com/userfiles/file/28758597731.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/fetofebedor.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431df8e99fe---49252655372.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132844476d3c---61991439612.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/86831145579.pdfIn PDF document text
- https://dyaa.club/uploads/file/dubejofikibuxazo.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/b7rleonuoik3nrvh84o7h7vbe0/63166582162.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c1a89ac70---78140054060.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/89579504219.pdfIn PDF document text
- http://taaltoetsvo.nl/userfiles/file/49967629418.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/93588820088.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140962c9ac8c---97758654414.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/jujisamesorewe.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/75bf617ecf8faa44634ca4517b5d8eef/1553548682.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109110807489654.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210903051135.pdfIn PDF document text
- http://ainut.fi/userfiles/file/41939047612.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/48990024505.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/95389411583.pdfIn PDF document text
- http://a-pluset.com/userfiles/73546164242.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/kokijibutakuxufo.pdfIn 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_off0000d2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB16 | 10476 bytes |
SHA-256: 00fde6c8ab126c5c1135dfc1546fa0be77fc5b2a0a73345f4d97340269a7a19c |
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font_02_sfnt_off000102d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D6 | 17728 bytes |
SHA-256: 93cdbca22f459ed38bff511b10e06dd8caf5b7d11c9e71980adf529f38e252c3 |
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