MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a high-confidence heuristic flagging an invisible link designed to lure users to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery. The presence of multiple disposable domains and link farms suggests a campaign to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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/wix?keyword=ap+biology+projects PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451556/normal_603fedca17fe7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501774/normal_5ffcd3d988c9a.pdfIn PDF document text
- http://eurostore.info/myths_from_mesopotamia_stephanie_dalleyriyux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496816/normal_603dd01a44593.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368740/normal_6053e0a1d5285.pdfIn PDF document text
- http://rovepofaji.22web.org/belarus_525_manual.pdfIn PDF document text
- http://hookup753.fun/farming_usa_2_cheats_iosjpbui.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447273/normal_601dae5c4647b.pdfIn PDF document text
- http://securityofusersdevicesonline.site/the_crown_season_3_episode_4_historical_accuracyfcrxc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458161/normal_5fd661ab8eb26.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459025/normal_6005074ed9768.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453889/normal_5fe641d62da0e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485579/normal_5ff6678479957.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378604/normal_5ff64ee15b77b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387035/normal_603732d432a94.pdfIn PDF document text
- http://fewafef.iblogger.org/wheel_of_fortune_template_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415950/normal_5fdc0f5075d45.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469847/normal_602bf7c0149db.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467589/normal_5fc9fabdc3f61.pdfIn PDF document text
- http://nncucuucuc.space/secure_folder_galaxy_s10elnp7v.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dulubuli.rf.gd/pitetuwuluxerosedusazepas.pdfIn PDF document text
- http://gasededal.epizy.com/learn_english_in_30_days_through_tamil.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://scripts.sil.org/OFLIn 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_off0000efe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE7 | 5196 bytes |
SHA-256: 9d4438cca189756d8398f34aee28c87718ce110760b6884953e6d9be80421037 |
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font_01_sfnt_off000101b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B6 | 11656 bytes |
SHA-256: 85eb03c5aa0da88780f695914386fef5f950b251e304ca575eafaa224b4109be |
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font_02_sfnt_off000129b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B6 | 16092 bytes |
SHA-256: ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073 |
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