MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and ClamAV detection. The document contains numerous links pointing to potentially compromised websites and disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77404749922.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16076e0cc421f7---86927355754.pdf
- http://neteyes.eu/editor_up/rimagixamo.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609cebeeae66d---gozelumasaguzutu.pdf
- http://bbfrontedelmare.com/userfiles/files/zibawelimibip.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160768dfc9333d---fimaferinakanuxowevaruxan.pdf
- http://allycatering.com/userfiles/60813994163.pdf
- https://toromecanicorodeo.com/files/bikenoxevofutifuwud.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/e2e0ba0f323d04f118498c3105455284/73138322365.pdf
- https://petrovsky14.ru/docs/files/64340459189.pdf
- http://anquocrealty.com/uploads/image/files/pijamofimalupiropa.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1612c95529765d---pojebebarikozagojurokona.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/k9gbc3re7ive7jl5spa93ie536/vubodesulibalasujutoperud.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/jsar68uhlc193dd6h01b04bf41/74312251985.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/5e99783b8c1121df203c1bacad11489b/59377537454.pdf
- https://rybczewice.pl/userfiles/file/seradofutetivuv.pdf
- http://ellissi.org/userfiles/files/mijefuneletaxewone.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/3ohcdi2734oipdvfa2t1ln4d77/belupadufuje.pdf
- http://artside.org/data/temp/file/29729823417.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9f3324f48---bezujadoxa.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acad12234e5---42304773283.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e67b45adbbf---68911590700.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/v3rdf00mpe5g3rdhcmjpdto501/saliwexujuduziga.pdf
- https://franchiseharbor.com/files/files/dikevutasexeniwuler.pdf
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210821103751.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sequence+of+tenses+english+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_off0000dfaa.bin2d2cb0e8f7b1813592f0990b22ca85d3e974e82238a2e52bfb3f019d8c8da98e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAA | 10960 bytes |
font_01_sfnt_off0000f877.bin80e2dcaeae38e52f358b1a745e40dac44bd916e2c37e7ebbc4d15b39620cbdfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF877 | 17612 bytes |
font_02_sfnt_off00012628.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12628 | 16792 bytes |
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