MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting, indicating a link farm designed to lure users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The presence of 'utm_term' in one URL suggests tracking or redirection for malicious campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://chcial.ru/uplcv?utm_term=google+nexus+7+factory+reset PDF link annotation
- https://alarrabnews.com/images/content/content/file/43746428727.pdfIn PDF document text
- http://feldbach-tourismus.at/files/68221424018.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4341a1553---kadaditexugarupa.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/nivitajeresu.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/rejuwilabekukaka.pdfIn PDF document text
- http://unitez.net/images/newtech/files/2600736124.pdfIn PDF document text
- http://anpo.vn/upload/files/91047205333.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/zidiwisewuzejogu.pdfIn PDF document text
- https://cplastik.net/data/cms/file/zison.pdfIn PDF document text
- http://pro-roubenky.cz/UserFiles/File/lazad.pdfIn PDF document text
- http://pradakshinam.com/fck_uploads/file/zenoko.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/xibuz.pdfIn PDF document text
- https://beautifulhairstore.com/upload/files/31070741912.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/87934189378.pdfIn PDF document text
- https://funbugs.ie/files/file/dulibaporerexes.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/57102879475.pdfIn PDF document text
- http://fluorescent-training.com/file/saxuzipasukonivakoleb.pdfIn PDF document text
- http://hoclaixebinhthuan.com/upload/contentFile/file/delaxebomilumupuwenuraxe.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/2a927083f97f3e9c8a4ceaac863931c8/lowijekopugetiwiz.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/tugetiwujiwekezixesav.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/75257773351.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613e69d28bc09---943269747.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210919180656_1665449509.pdfIn PDF document text
- http://rwdwebwebdesign.com/img-aim/files/91502530603.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_off0000ed1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001052e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052E | 18052 bytes |
SHA-256: 863ef615f58394ce378a69af7539ae5c5de610b2f189b362b0ceb9224128bacf |
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font_02_sfnt_off00013445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13445 | 10824 bytes |
SHA-256: 3bdddbb61734dc3ea8361a796db38548e455edecc26d776ef2f5e5135410567d |
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