MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which are part of an SEO link farm designed to redirect users. One prominent URL, https://seumenha.ru/strik?utm_term=can+you+nap+in+dailies+contact+lenses, is identified as an SEO redirector, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan distribution.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://seumenha.ru/strik?utm_term=can+you+nap+in+dailies+contact+lenses PDF link annotation
- http://negimemexib.iblogger.org/chiari_malformation_surgery_scars.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485569/normal_6027951e79466.pdfIn PDF document text
- https://jowavuzawevubab.weebly.com/uploads/1/3/2/3/132303017/8087061.pdfIn PDF document text
- https://s3.amazonaws.com/kizugokofo/multimodal_biometric_system.pdfIn PDF document text
- https://s3.amazonaws.com/mexijegedakol/94662902916.pdfIn PDF document text
- http://lobabinuladeri.medianewsonline.com/naligibarubuvopatejilim.pdfIn PDF document text
- https://s3.amazonaws.com/tixeligufokup/android_10_for_note_8.pdfIn PDF document text
- https://s3.amazonaws.com/zerepuzuze/wikurigamurugijufovovobat.pdfIn PDF document text
- http://godisibipuvam.22web.org/atkins_and_depaula_physical_chemistry_9th_edition.pdfIn PDF document text
- https://s3.amazonaws.com/pibajuwi/what_is_biblical_perspective.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423154/normal_605034d3e8f35.pdfIn PDF document text
- http://gejudoxe.mypressonline.com/similar_triangles_test.pdfIn PDF document text
- https://xowozasa.weebly.com/uploads/1/3/3/9/133999953/e6559395bd7aec9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475194/normal_5fe8928da5d8b.pdfIn PDF document text
- http://pumorux.medianewsonline.com/dragon_age_asunder_free_download.pdfIn PDF document text
- http://balegetiwep.mywebcommunity.org/xanulefaxojomalejosu.pdfIn PDF document text
- http://loduwij.scienceontheweb.net/lost_books_of_the_bible_the_great_rejected_texts.pdfIn PDF document text
- http://mevixonur.mywebcommunity.org/patchwork_board_game_rules.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
- http://popofisofol.myartsonline.com/88900092090.pdfIn PDF document text
- http://bodagoge.epizy.com/default_judgement_high_court_template.pdfIn PDF document text
- http://sikanuvigagefu.epizy.com/39396926468.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5C | 4980 bytes |
SHA-256: 9540d4c663e03d4d6abe4bfc17d034c09dd664523a111e87e34b6efe69c5e6ef |
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font_01_sfnt_off00010c69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C69 | 10496 bytes |
SHA-256: 0048e5aefeb90e4a10bae693623f578a84c1ff175726078aaa6ce88ead3e349e |
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font_02_sfnt_off00013043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13043 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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