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 disposable hosting or compromised CMS uploads, indicating a link farm designed to lure users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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=red+hat+linux+tutorial+for+beginners+pdf PDF link annotation
- http://mywayrtk.info/userfiles/file/funuzitutexazejegivi.pdfIn PDF document text
- http://nirmalapublicschoolerumely.com/userfiles/file/57024800552.pdfIn PDF document text
- http://ypperfect.com/ckfinder/userfiles/files/87731805703.pdfIn PDF document text
- http://cafegreenwichvillage.com/uploads/files/najuzofibuzozepefuseduv.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf93f48a0bf---10676030708.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/pesureravegobiritezaw.pdfIn PDF document text
- https://guptajimarriagebureau.com/userfiles/file/witelizigivopuzefalulafap.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/63680649725.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/wusefu.pdfIn PDF document text
- https://otartufo.com/ckfinder/tartufofiles/files/1666567604.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609838ca5c662---67459883600.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/bfb2tflndpmbjf5mio73d2mfs4/31248741046.pdfIn PDF document text
- http://edison76.com/clients/5/54/54c13950cbd15a81e6fb4362eab8f273/File/456989266.pdfIn PDF document text
- http://waltwhitman1964grads.com/clients/6/6c/6c9ae932573016e5ff31759a10dce4b4/File/jaragoxeved.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/76258725466.pdfIn PDF document text
- https://edarky.net/data/file/werelalogulif.pdfIn PDF document text
- http://korytnica.net/data/files/15486740504.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/6a5d5c318811b77aa475a9fdaccd7528/dopudegalisopisipotuga.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/xarujosigapu.pdfIn PDF document text
- http://kmsenior.org/file/files/49997054873.pdfIn PDF document text
- https://cebrigantina.com/025-CEB/images-editor/file/47144033231.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/732f8e845c639db635dfb2b68fb9a8c2/46190746096.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_off0000e403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE403 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1A | 11164 bytes |
SHA-256: b700d885a7edcc2a275616c836f7153e76e5f1e8b2b571a0af66a652dff1dbd2 |
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font_02_sfnt_off000115b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B9 | 17220 bytes |
SHA-256: 8ecf6acd558d9836dca2b8df0d70471a751b406707fba9f525391d150481166c |
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