MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as a phishing trojan and flagged by an ML classifier. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate this PDF is likely a lure for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://crewmak.ru/uplcv?utm_term=balaurul+hortensia+pdf PDF link annotation
- http://a-kamen.com/userfiles/file/9667585564.pdfIn PDF document text
- https://weeb.nu/userfiles/file/85390816190.pdfIn PDF document text
- https://ihotel2b.com/upfiles/editor/files/wivopejovuwite.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/jaxapudamelan.pdfIn PDF document text
- http://rauvuonsach.net/images/uploads/files/60524112980.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/tuxobojogikisokezi.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/26f1f1e3e914bbb119ad6a3086b8d397/tixebazi.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/44773751360.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d53ef30735---1295023741.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/64010528567.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f40f30f87---18729768320.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/9d1b4f007c15557c7e8a89a1953b0ecd/magepotozajifopifepewe.pdfIn PDF document text
- https://cncunse.com/d/files/26039503350.pdfIn PDF document text
- https://textolinguisticsolutions.com/upload/editor/file/goxoda.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/f1a88dd77b9c23afa7351346e99a283b/bolelemupadopefawubowogi.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7bbc900504---86118280147.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d71eea24570---62192437350.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/ginijuviwopalid.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/bixenibomepetaj.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/05aa15d33e4d9ad82274c4d8624212ad/49048502614.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_off0000e758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE758 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6F | 10748 bytes |
SHA-256: 435ae9b02cde8db5054906d6df27cfff341946f6176fd5f0cc05a20e6e82678a |
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font_02_sfnt_off00011817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11817 | 20072 bytes |
SHA-256: 1f913a5b23a0509814eb7010bd861b7dab09ec95cadc5214f4bad0089a2d887c |
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