MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://pelibifir.ru/strik?utm_term=how+to+reboot+a+samsung+galaxy+s7+edge PDF link annotation
- https://cdn.sqhk.co/jejefudebuxi/fMOzUrw/wemagekepikaroxirulipa.pdfIn PDF document text
- https://cdn.sqhk.co/zesonixiv/ggPHUid/labezufererikapavededun.pdfIn PDF document text
- https://cdn.sqhk.co/zidexamuwela/WidMgiB/gekekijasisuponawurun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4506131/normal_5fdb7c00cab08.pdfIn PDF document text
- https://cdn.sqhk.co/joxusozomilo/fnjficj/wobipagobutu.pdfIn PDF document text
- https://cdn.sqhk.co/vofonowul/jBjbEgc/pepper_b._o._o._t._meaning.pdfIn PDF document text
- http://gupirigugorixuf.sportsontheweb.net/oxford_children_s_thesaurus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425514/normal_6029db1855987.pdfIn PDF document text
- https://cdn.sqhk.co/burexewejam/gjjdTgj/hits_1_radio_top_songs.pdfIn PDF document text
- https://cdn.sqhk.co/redexisa/Au6IAhc/66594820909.pdfIn PDF document text
- http://towonededuv.medianewsonline.com/how_to_adjust_vizio_sound_bar_without_remote.pdfIn PDF document text
- http://poposiruta.mywebcommunity.org/what_is_the_difference_between_general_purpose_and_specific_purpose.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/jafujasiwetid/chart._js_cdn.pdfIn PDF document text
- https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_2d2f689662f84ffbbb949f3b2535e994.pdf?index=trueIn PDF document text
- https://aefbb2f1-1cfc-4a48-aab2-d72547d84173.filesusr.com/ugd/2f3ac6_8b6a26aafd384ec59f3be8f3e77528b8.pdf?index=trueIn PDF document text
- https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_206b1ffa299349b1bdac9154485683fd.pdf?index=trueIn PDF document text
- https://da6a6a96-7907-4aac-bfe3-592928b14ca9.filesusr.com/ugd/39e844_8ff14b45bc2b4820afbb42aa660f3b55.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sitozi/valkyria_chronicles_4_medals_guide.pdfIn PDF document text
- https://s3.amazonaws.com/lorifumofelu/chicken_invaders_1_full_version.pdfIn PDF document text
- https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_c51676dc483b47ff8c039432ea52c48e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/timituvupame/gestion_de_calidad_segun_autores.pdfIn PDF document text
- http://zuputes.atwebpages.com/4883835008.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000156ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156CE | 5588 bytes |
SHA-256: 4b55cbced3ddac135271164ce4ebc87110747a776b952a8e2bd3b5bb4d69dbcf |
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font_01_sfnt_off000169d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169D1 | 11128 bytes |
SHA-256: c02b735c1f2925f5e1fa9c42387fa5c96be5333569f3cc929e0bc2af406407e8 |
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