MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam tactic. One prominent URL, 'https://midufefew.ru/award?keyword=filemaker+pro+11+user+guide+pdf', is directly embedded and likely serves as a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://midufefew.ru/award?keyword=filemaker+pro+11+user+guide+pdf PDF link annotation
- https://lenapejasuma.weebly.com/uploads/1/3/4/7/134749539/birew_xusizex_tukusezexaxuw_vajanur.pdfIn PDF document text
- https://cdn.sqhk.co/jomenuluz/7lOayOK/56265050779.pdfIn PDF document text
- https://tovibebifenoge.weebly.com/uploads/1/3/2/6/132695438/tepupatiwapunaw-tasiditovege-vidamenijojoba.pdfIn PDF document text
- https://cdn.sqhk.co/luwesefizi/iijhaOl/46508333702.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lanubili/continents_of_the_world_ks2_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9888f66-773a-43a5-a697-cfcb6863a5fb/the_wahls_protocol_diet.pdfIn PDF document text
- https://s3.amazonaws.com/tetofamuxulil/asi_wind_acaan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a0d7653-cc34-4e58-8533-7399b3418337/49220233710.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2088ea69-cbe6-4d82-8b3b-2787354d3c4c/16980082153.pdfIn PDF document text
- https://720c7b34-a033-4bf0-83ea-6be17de98aa2.filesusr.com/ugd/03ef8e_2d6aefaca75a448eb56f20134552ceb2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6483ac84-fffe-4e98-9876-bcf66c5a4825/29987855711.pdfIn PDF document text
- https://2b12d24f-0c9a-4a32-b427-430aba395f0c.filesusr.com/ugd/6cfe90_abae2dfa15c342019f71dc5b45c2fa6c.pdf?index=trueIn PDF document text
- https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_59b309fe853a4e8392996deccdcafcd4.pdf?index=trueIn PDF document text
- https://a80c0318-1640-4d50-a016-df037fc402b9.filesusr.com/ugd/895bef_381840fa0ed8434b8c67dd5d9f923c4a.pdf?index=trueIn PDF document text
- https://1682489e-d94b-4f22-b6a6-c8ecb623ca2e.filesusr.com/ugd/5f226e_30b06022a998421a85d4e82cd9c56c5d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sigobija/add_subtract_mixed_numbers_worksheet.pdfIn PDF document text
- https://cad90261-f038-4e8a-b384-2e0e37e6cb8c.filesusr.com/ugd/4c4e45_2350e65f72074aa9b2f394c71acdfa47.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pukaridimupo/jumolasi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b327f89-76e6-4157-9a72-704326ba5e29/what_is_gmp_plus_certification.pdfIn PDF document text
- https://6a9ecc2b-05c3-4056-8705-773ae6be8cdd.filesusr.com/ugd/7a359d_4fc08a3de88045b5b0e1055a3b0ea5da.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000154ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154EA | 5432 bytes |
SHA-256: a2ae9096590a04b6996b10a24e36dcafabb69e76f940a6ab6d54bd0069b2c542 |
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font_01_sfnt_off00016755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16755 | 10732 bytes |
SHA-256: 919626a587e867909dc40af9aa1a3e1002f5d79e60f7c677077cb0132b2f1121 |
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