MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm with disposable hosting and includes lures for urgency and download buttons. The primary IOC is a URL pointing to a potential malware download disguised as a 'classic tetris apk free'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jacksth.ru/123?utm_term=classic+tetris+apk+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451353/normal_602eb0680de09.pdfIn PDF document text
- https://xivexibajewubud.weebly.com/uploads/1/3/1/0/131069970/09a45fb7780.pdfIn PDF document text
- https://zomerasojukoluw.weebly.com/uploads/1/3/4/7/134769652/bujuse_lojumok.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408188/normal_602250d37f215.pdfIn PDF document text
- https://levonosaxedose.weebly.com/uploads/1/3/2/6/132695543/natega.pdfIn PDF document text
- https://garituba.weebly.com/uploads/1/3/4/3/134335889/3116091.pdfIn PDF document text
- https://wipedevibenisi.weebly.com/uploads/1/3/5/3/135315865/e261342.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391037/normal_5fe59bb293da3.pdfIn PDF document text
- https://juwabizaf.weebly.com/uploads/1/3/0/9/130969053/bumaposu_rujul.pdfIn PDF document text
- https://tuxatijofewimem.weebly.com/uploads/1/3/4/6/134686538/cb9d5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://saladolu.pbworks.com/f/conceptual_framework_and_accounting_standards_valix_answer_key_2019.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/f/how_to_renew_my_passport_online_in_uganda.pdfIn PDF document text
- http://xifatarege.pbworks.com/w/file/fetch/144690477/how_to_make_income_statement_and_balance_sheet_in_excel.pdfIn PDF document text
- http://rumusapage.pbworks.com/f/56234231787.pdfIn PDF document text
- http://mumasenekera.pbworks.com/w/file/fetch/144423558/25247315231.pdfIn PDF document text
- http://rasetewi.pbworks.com/w/file/fetch/144668919/14288843597.pdfIn PDF document text
- http://xutosop.pbworks.com/f/dependent_and_independent_clauses_worksheet_grade_5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5f96e80-0ec2-4979-9678-a288e56e3a52/what_is_oc_caste_in_india.pdfIn PDF document text
- http://xorunezagu.pbworks.com/f/lyrics_blooming_story_love_alarm_ost_traducida_al_espaol_dmv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a338ed7-3e77-46e8-ab41-e55cd139af88/tareekh_e_islam_in_english_free_download.pdfIn PDF document text
- http://sukagafamo.pbworks.com/f/megetakufalobitonuzatogo.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_off0000e1be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BE | 2996 bytes |
SHA-256: fd7ca904a086d7e4d4549ff606d429cf8a246d475548939133b0259e316ca2cc |
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font_01_sfnt_off0000ec81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC81 | 4976 bytes |
SHA-256: 0e7c6ad782ed11b81d3e35f6aebf6be2a078d70504c0ab18e4342d719e95b773 |
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font_02_sfnt_off0000fd7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD7C | 11284 bytes |
SHA-256: f0f150a697837a15c8c35d3006be5fe0089f8f4063649fe483e311c70215cd5c |
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