MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of embedded JavaScript points to its use in exploiting PDF vulnerabilities for execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=putlocker+fear+the+walking+dead+season+6 PDF link annotation
- https://sesconbs.org.br/ckfinder/userfiles/files/kanetapesaxovovedek.pdfIn PDF document text
- https://tndvn.com/js/ckfinder/userfiles/files/4591205728.pdfIn PDF document text
- http://trips-in.com/ckupload/files/8096338499.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/woderafekobixusokopapewo.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e975d44df---pilup.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613196cee28a1---tupituromaxaxaxokapigebi.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/jobizigerobaridigev.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/bububibimodoxupotuj.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bf55937c0---5142247550.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/69987700545.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/40798750716.pdfIn PDF document text
- https://nbc.com.vn/ckfinder/userfiles/files/patarodegi.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/7hacra4q43qgrlp838drh30mm6/fedojojatiwijareza.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/puzenomubufuxuzasiduxif.pdfIn PDF document text
- https://alpinashop.rudy-ra.com/files/24949338492.pdfIn PDF document text
- http://daiquangsico.com/img_duhoc/files/87239475023.pdfIn PDF document text
- https://vpmemorial.net/images/file/xodirago.pdfIn PDF document text
- https://soudurelauziere.ca/upload/editor/file/89760170301.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/venajusafadamedufaxan.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/kitinuzemorizigadiruka.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/panexatefabejamobubar.pdfIn PDF document text
- https://centaur.vri.cz/docs/files/3689053255.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_off0000c82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82F | 17912 bytes |
SHA-256: 19ea96df468ba27c4929ca4b6b251b9d7b584ac161d9748ca02faf47b31dcaf4 |
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font_01_sfnt_off0000f6ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EC | 11200 bytes |
SHA-256: 096492933d1ae0915992cb4c986c07f0b98b09337d03861d1f9f82499744fe07 |
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font_02_sfnt_off0001110c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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