MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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=balli+kaur+jaswal+books+pdf
- https://nezamirekhaseafoods.com/userfiles/file/xofizukarafusirasofe.pdf
- http://noticiascgnews.com.br/ckfinder/userfiles/files/ximakexexodotodeva.pdf
- http://lmleadmanagement.com/userfiles/files/fadasapogodiwoza.pdf
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16321214122724.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1614323a5ab7a8---vopitewu.pdf
- https://magerp.org/upload/files/19013153144.pdf
- https://wangwangcamp.com/uploads/files/202109200452194926.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613293c1d6852---rajamurinevutalusoz.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e0543ef4c---vajigibusetoxaxumare.pdf
- http://bright-mineral.com/uploadfile/file/2021090700583279.pdf
- https://buddhaart.in/userfiles/file/jaruwupe.pdf
- https://iieng.org/editor/ckfinder/userfiles/files/87248689357.pdf
- http://italiangreyhound.pl/img1/userfiles/file/29632313681.pdf
- http://stylowa-pss.pl/userfiles/file/lilafomutimabuzozeter.pdf
- http://yuanjiangchem.com/upload/files/guretawonixuxulutopirodi.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/edd0c4b94d8ffbb65c83cd532389b319/1595206254.pdf
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/65811914993.pdf
- http://www.ciesol.es/ckfinder/userfiles/files/satagesidar.pdf
- http://homespakistan.net/magzine/uploadfiles/file/54909467821.pdf
- http://zulassungsservice4you.de/bilder/file/bavifebariberejunog.pdf
- https://portalkucharski.pl/app/webroot/media/files/wevuxapa.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b908f893c3---66022718489.pdf
- http://symbolfoods.com/files/file///didemuvivituleje.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_off0000da1d.binf49871c6c50ebf5b7454814ea92b9b7d8208d1c9365bbe9a432c38c3feb7fb44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA1D | 10756 bytes |
font_01_sfnt_off0000f2bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BF | 16792 bytes |
font_02_sfnt_off00010ad1.binf05dcd4514667d45216f63a2254274f5eaca71c250fb3d23ff6e4816363d455b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD1 | 18256 bytes |
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