MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting an SEO spam or phishing campaign. One of the embedded URLs, https://nipisod.ru/strik?utm_term=dance+monkey+music+video+babies, is particularly suspicious and likely leads to a malicious payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://nipisod.ru/strik?utm_term=dance+monkey+music+video+babies PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374704/normal_60145e0d4af39.pdfIn PDF document text
- https://cdn.sqhk.co/mesirunomi/gchaogj/ground_vs_flying_pokemon_go.pdfIn PDF document text
- http://pesuloduf.medianewsonline.com/best_bass_guitar_for_beginners_2020.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408319/normal_604f4a300be41.pdfIn PDF document text
- https://cdn.sqhk.co/zijigemeworu/geibP9b/59810630213.pdfIn PDF document text
- http://vuvabadiredowa.getenjoyment.net/fizujigari.pdfIn PDF document text
- http://memiwuv.mygamesonline.org/wixek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385009/normal_6045c582d4b8a.pdfIn PDF document text
- http://rusakadovub.sportsontheweb.net/90046042239.pdfIn PDF document text
- http://fejukoturig.medianewsonline.com/wojifibo.pdfIn PDF document text
- https://cdn.sqhk.co/woxemumi/jbxTjHE/house_party_4_free_movie.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389585/normal_5fe8754f92a6a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aa3bb5c3-2bd4-4791-9e2a-6e31d5009b04.filesusr.com/ugd/60e703_a39b4b1ecdc54224b4b1f9b8049ea0d3.pdf?index=trueIn PDF document text
- https://bea00909-aa88-4d38-ac88-e56db460b486.filesusr.com/ugd/923104_d2ae0bef7045445eb118c67bc677bfce.pdf?index=trueIn PDF document text
- https://d1b6b380-f15b-462b-86b5-0b089ba7d90d.filesusr.com/ugd/f99a33_c0968399b82647acaaa31b388c01049a.pdf?index=trueIn PDF document text
- https://65de77fc-0341-4fd2-89b2-cd6b005a91de.filesusr.com/ugd/cf79db_414f4438b5d045ffa125b953c2c127f8.pdf?index=trueIn PDF document text
- https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_2c4d834edf2f414a8b2d3063f7f8874e.pdf?index=trueIn PDF document text
- https://da54c32a-99c7-4590-8520-800dd2d1cae3.filesusr.com/ugd/7973d2_4b5a16c9adcb4313bd29174e27177dfc.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
- 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_off0000d6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D2 | 5320 bytes |
SHA-256: 2eb75f0651c3f43d759c670a51cd2a9633e2878144cd0e4716a658cb45ac45bc |
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font_01_sfnt_off0000e8f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F2 | 11528 bytes |
SHA-256: 2f289e06b64063aca650489350f2c75ec3f3473977b629b3c27ad68055cc2076 |
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font_02_sfnt_off00010f88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F88 | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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