MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous URLs that form a link farm, with several pointing to compromised CMS upload directories or disposable hosting, indicating a phishing or malware distribution attempt. The PDF structure and embedded URLs suggest it is designed to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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=non+verbal+reasoning+nets+pdf
- https://dodomacnosti.net/data/file/fofelagudesuw.pdf
- http://ymmicro.com/files/files/92154800819.pdf
- http://phuwangnam.com/user_file/file/loterolelakatunilatisagew.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136ada5db1a0---9473949021.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614501c355926---90802874158.pdf
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/woxemasarurum.pdf
- http://an-ocn.ru/ckfinder/userfiles/files/24261680479.pdf
- http://righetti-ticozzi.it/userfiles/files/51446678465.pdf
- http://www.smartlandgroup.com/ckfinder/userfiles/files/kikakugus.pdf
- https://penzion-palice.cz/content/pufeniwala.pdf
- https://akproauto.com/nbloom/fckuploads/file/wubugolozopopo.pdf
- http://refah4ter.info/basefile/hotelrefah4terir/files/febolorolaxapilupe.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613897ec270cb---fomapijolexopavetixenon.pdf
- http://zhfangyuan.com/uploadfiles/files/xasaxamap.pdf
- http://planet-for-events.de/userfiles/file/vimitumewosadi.pdf
- http://chono.mn/uploads/userfiles/files/43779736230.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/laxolidaje.pdf
- http://medicamarsala.it/userfiles/files/31075922261.pdf
- https://erdemlerkoleji.com/resimler/files/tazevupebobav.pdf
- http://ks4073.com/file_media/file_image/file/90852710144.pdf
- http://duet-czluchow.pl/userfiles/file/xuxekogerenedabawevejik.pdf
- http://burmeseburmilla-allevamento.com/userfiles/files/6048177538.pdf
- http://wienbildarchiv.com/upload_files/files/41047714117.pdf
- https://samuelben-horin.com/userfiles/file/siwelusevukevikigo.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_off0000beaf.bin5d3418e1a8d3b42210a2afecb1c381b14a3ce8f33b7d2ba3d9f1ac4fee36ffaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEAF | 17216 bytes |
font_01_sfnt_off0000eb59.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB59 | 16792 bytes |
font_02_sfnt_off00010370.bin4307c4879a8e1c542284c9627c073dfddc4af8aea3de1f694601575f0d0bc8b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10370 | 10856 bytes |
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