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://bologen.ru/award?keyword=best+pdf+reader+for+windows+10+quora PDF link annotation
- http://cleanup-sale.site/the_civil_war_1861_to_1865_board_gamen4muk.pdfIn PDF document text
- http://app-3null.com/drill_master_91396_replacement_batterye1akv.pdfIn PDF document text
- http://lnstagramsecurity.net/balanceamento_das_equaes_quimicas28cvv.pdfIn PDF document text
- https://cdn.sqhk.co/vaxarogajib/hbUgeNs/67279033997.pdfIn PDF document text
- https://cdn.sqhk.co/dopenemef/wXiIGja/kalavitokupevoz.pdfIn PDF document text
- https://cdn.sqhk.co/wowebajix/3Xthjih/christian_theology_books_free.pdfIn PDF document text
- https://cdn.sqhk.co/wezopexa/ggQ4Cjj/financial_reporting_books.pdfIn PDF document text
- http://levelupguild.com/kali_linux_2020.1b_download7inmr.pdfIn PDF document text
- http://notdull-eng.online/wadipetezufinofepopi5r6t6.pdfIn PDF document text
- http://jopkapopka.online/97405978326ph05i.pdfIn PDF document text
- https://cdn.sqhk.co/disumuneriva/qfibjfp/31994963685.pdfIn PDF document text
- https://cdn.sqhk.co/vunofufi/dgitih5/rare_beauty_liquid_blush_swatches.pdfIn PDF document text
- http://meetcabinets.xyz/xuvexukezokunegayy433.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://0e627107-309b-4451-a84d-e7064c41fccd.filesusr.com/ugd/04c368_b95d75ebe19549fd82df2b20d868b0eb.pdf?index=trueIn PDF document text
- https://d6477b75-8e4d-4453-8bbc-a86a6009e57c.filesusr.com/ugd/261d41_e16c4a9a432d49c1b502fdf6feac0ee0.pdf?index=trueIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_6812ed028d5546b7b69f66f66a83f607.pdf?index=trueIn PDF document text
- https://2daccc73-8708-4113-a26a-4f38906335d9.filesusr.com/ugd/f65175_842cddad22e8431a833fd99d758fc495.pdf?index=trueIn PDF document text
- https://abaaaae4-9231-44fc-b12c-ad55ebcc68e7.filesusr.com/ugd/2ca09c_762140663f434060ac8e9b7e9cfa14e6.pdf?index=trueIn PDF document text
- https://d23eb412-52e1-45ef-a32a-0c032022daee.filesusr.com/ugd/03485a_e8e008fc39394e7e89a0e3bb80442954.pdf?index=trueIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_294891e7fb784a67a405d700999ae0c1.pdf?index=trueIn PDF document text
- https://170a7d3c-74f0-42f5-9ead-98ae292a4922.filesusr.com/ugd/a18aa6_37479cb5b08340549ced15f83f0f6616.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11405 | 5344 bytes |
SHA-256: 8e19b7390b826c2b97e19063b601771c73be65ca69c7c499bc7fa43e55eea79a |
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font_01_sfnt_off00012656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12656 | 11000 bytes |
SHA-256: 81f86d0eecbecdc41ed59ac1b6198cf865ac82f4d2f638a6324d7a4debb89a87 |
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font_02_sfnt_off00014ba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BA8 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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