MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://inwebjor.ru/uplcv?utm_term=country+hits+2020 PDF link annotation
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/8ad16fa3a9cff49110ae2fa008a6a35d/81543770703.pdfIn PDF document text
- https://abeess.com/userfiles/file/tawajunejigu.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45b1fe71db---tesitogifilax.pdfIn PDF document text
- http://tajesink.com/Uploadfiles/files/zokopomos.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/mekozutek.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9ecf31817---futizadurisabixamo.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/98556436043.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/89936971585.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/91202897553.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ba2dd57e1---70111018258.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/96b7df1ff3c76d2b73d1b91e187e3f56/49460083875.pdfIn PDF document text
- http://progfin.pl/userfiles/file/zuzuv.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/c96b22abb306303797de6699d8feac60/63514530922.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/lafobetoz.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928d27039ab---93967337751.pdfIn PDF document text
- http://myqself.com/upload/files/mafibikulibid.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/7277f4cca86878b1ac663690ec97f33f/mivapebexavuvadetofewatos.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608069be0dc40---96862147037.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/1391d5256dbefc519c46a9c6b45f52b5/61830606216.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/38779929687.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076519d391be---51158175035.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/d3e0478453a26474de647a9e5305f8fb/pobevolunerijepuxiwoxenu.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0d7bc5635---famujevovabuw.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/wezilorobufara.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/34707734627.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/b26885d33495ab5bc055af01dd6b5830/gedajeverejutaba.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_off0000ee8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A2 | 10352 bytes |
SHA-256: 2f49cae5099169f6fa2d283795205bbe801875a1b0e131e2aa81c99a04bed100 |
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font_02_sfnt_off00011e10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E10 | 17116 bytes |
SHA-256: b6e87991c519e91cbce64be5d83e293dba1734167bea8bca95dd5ced9b7671e6 |
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