MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to potentially compromised websites. The ML classifier and ClamAV also identified it as malicious, likely a phishing or malware distribution attempt. The document body was unreadable, but the presence of numerous external links suggests a lure to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://vibrobeton.by/pics/files/41149948492.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/11iiocpcveb8kh5v089q6m2rru/67985409682.pdf
- http://bluebirdcanada.com/FileData/ckfinder/files/20210914_D2B4311F714FF089.pdf
- http://diskacme.dk/images/upload/file/nepikigomepegijoxumi.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f66648bb4b---5392647924.pdf
- https://newtech-utm.pl/userfiles/file/88795615345.pdf
- http://csigikes.hu/admin/fck_upload/file/fagiwefa.pdf
- http://zlzljc.com/uploadfile/file///2021090205541520.pdf
- https://bdata.vn/upload/files/juxemiguwimozezumosipapaf.pdf
- http://szm.hu/userfiles/file/34858502539.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3d6bc46b8---96412835932.pdf
- http://koyomisushi.com/uploads/files/pifaxirivitalaxolodi.pdf
- http://pro-elec.ru/ckfinder/userfiles/files/sovarapunimatedewabit.pdf
- http://chothuethietbi.info/img/files/38389292992.pdf
- https://yourownadviser.com/ckfinder/userfiles/files/ludaxuwiberugutovo.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613568be96131---zukutufef.pdf
- http://hk-bbc.com/upload/file/divajinibazogox.pdf
- https://ikuseikyokai.jp/ckmedia/files/zulizawukamuz.pdf
- https://ibeguiristain.com/userfiles/files/jenavedajepukipifogosomul.pdf
- http://thewellmanteam.com/userfiles/files/85039140869.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd67cd728c---80138734711.pdf
- http://canhtoanland.com/upload/files/vulen.pdf
- https://slotpt2.com/contents/files/vawaraxewatunobamoniroliz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=fxguru+apk+all+effects+unlocked
- 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_off0000c5e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5E2 | 16792 bytes |
font_01_sfnt_off0000ddf4.bine6f6670074101125a0f4e7e8b70def672dee0ea54d8a46a410206f20ab2ba585 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF4 | 16656 bytes |
font_02_sfnt_off000108ee.bin61cfec65aa2ebf2847c792e1ad59b50c5a9f5abab836e1fb3f275b39636ff7f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EE | 10972 bytes |
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