MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that form a link farm, pointing to compromised CMS upload storage and disposable hosting. These links are likely used to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://philabc.ru/uplcv?utm_term=36+is+prime+or+composite PDF link annotation
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4643808a2de178f587d494bc2e5b08c3/53551205596.pdfIn PDF document text
- https://mountmoriahcamp.com/media/tasuzamixidulixobaxogi.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e5d30740a---58153527718.pdfIn PDF document text
- http://www.og2c.com/images/file/rumulawosumolapobax.pdfIn PDF document text
- http://severstroysnab.ru/userfiles/file/wirekokinovex.pdfIn PDF document text
- https://www.area-tlc.com/public/ckfinder/userfiles/files/raxobokafofe.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210903120749.pdfIn PDF document text
- https://www.confirmedtour.com/files/vixogugabitizaxaroxe.pdfIn PDF document text
- https://media-get.com/userfiles/files/2809327894.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/xakunonulukewe.pdfIn PDF document text
- http://op-gold.com/ck_image/files/werabipoxabovudaruvok.pdfIn PDF document text
- http://studioego.cz/userfiles/file/tatewimagix.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109141259231223.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/wazonururinuvafazasozo.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d292de0e2d---83592562628.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/46518012345.pdfIn PDF document text
- https://duel.pl/userfiles/file/dujamoriwoge.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/d8cc2q6krlom7i26mkipdvo2um/wetetijasogitisitiz.pdfIn PDF document text
- https://tspinstruments.com/cache/fck_files/file/bigutudu.pdfIn PDF document text
- http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/50488351706.pdfIn PDF document text
- http://sochisushi.nl/survey/userfiles/files/72798550770.pdfIn PDF document text
- http://thepnguyentran.vn/media/ftp/file/kuvokawexiv.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/62642233210.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd1ddc25a8---notexezofelix.pdfIn PDF document text
- 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_off0000bce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F4 | 17104 bytes |
SHA-256: e1eb854d4b1882fb15682441a42683db292d79c072d8882cb21c02701039498a |
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font_02_sfnt_off0001018f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018F | 10464 bytes |
SHA-256: 9c8be7f18eed52f379df9d875b4688b21da6a74de6cad7575837c5a01d4c9b22 |
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