MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable domains, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing malware. The document body is heavily obfuscated, preventing a clear understanding of its direct user-facing purpose beyond being a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://jumiwimov.ru/wix?keyword=total+gym+2000+price PDF link annotation
- http://dodonutore.iblogger.org/fusionner_2_adobe_acrobat.pdfIn PDF document text
- http://tirevuvezig.22web.org/why_did_my_bass_stop_working_in_my_car.pdfIn PDF document text
- http://hisgohar.site/the_mongols_and_tanguts_had_a_trade_dispute_overqnvnv.pdfIn PDF document text
- http://salestore.pro/toyota_yaris_2008_hatchback_manualenss7.pdfIn PDF document text
- https://cdn.sqhk.co/ligazupevu/peLgeVm/20387397506.pdfIn PDF document text
- https://cdn.sqhk.co/nomuzali/ibkCjje/76510958937.pdfIn PDF document text
- http://ruvujagefeko.mygamesonline.org/high_school_student_personal_information_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/gozajare/d3vtvM1/mobile_payment_applications_meaning.pdfIn PDF document text
- http://thefortykuti.com/3_idiots_720p_download4vlyp.pdfIn PDF document text
- https://cdn.sqhk.co/zobunifi/j5xigOU/origami_owl_login.pdfIn PDF document text
- https://cdn.sqhk.co/temirikuji/OJX32ii/lenovo_yoga_laptop_won_t_turn_on.pdfIn PDF document text
- http://front-glass.website/fetoxuwuxarb9vj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4b5f4e46-8b81-4257-bf39-61fc08ba57b0.filesusr.com/ugd/7ea8bb_d721a68418764f89bb50266862796af6.pdf?index=trueIn PDF document text
- http://kikanelomer.onlinewebshop.net/how_to_earn_brownie_bug_badge.pdfIn PDF document text
- https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_c5d9f745efca48d0a2d47c91197abd8c.pdf?index=trueIn PDF document text
- https://66f9544f-8325-470d-a543-c07714603334.filesusr.com/ugd/4b2642_b9582f18874843828450dc7b24793fa7.pdf?index=trueIn PDF document text
- https://203e7bc3-08d7-4ecc-a8df-f797e0d4a079.filesusr.com/ugd/d4579c_bbb636adb46b4c74b63d288e6f1f6da1.pdf?index=trueIn PDF document text
- https://7915398d-c9c2-4241-abdb-40cf742e4b8d.filesusr.com/ugd/d4df0f_e748512faaae48c2a9e91da84bde3795.pdf?index=trueIn PDF document text
- https://da4cb982-96ac-4827-b01c-1601b1c9977c.filesusr.com/ugd/b05c40_813a0c8e46104df1a5e81e42b023bb3a.pdf?index=trueIn PDF document text
- https://5fb42ee6-a9be-400a-98f2-f9d4b9f720c8.filesusr.com/ugd/1813b3_02f3689013c14b61a47700039fa4609b.pdf?index=trueIn PDF document text
- https://9e705916-5bde-4eb8-be9b-8b3e910fbaf8.filesusr.com/ugd/c7a620_b2fe8af2e9234c878c94c96846993769.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f18a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18A | 5400 bytes |
SHA-256: c83e171eedaf4b06c1df41b15c44c908a73425c95da465887485bda4c158e57f |
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font_01_sfnt_off000103e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E4 | 11572 bytes |
SHA-256: ad75a154be16022c062532a6a4003116ad54bb9726dfa4ebcf0b1be8dc4f4949 |
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