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 0.9995
Heuristics 6
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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 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://mezovuduw.ru/wix?keyword=electron+affinity+periodic+trends+explanation PDF link annotation
- https://cdn.sqhk.co/vakolitakap/f7fehh1/52904181522.pdfIn PDF document text
- https://cdn.sqhk.co/vatuliwa/fihiiih/dvd_movie_editor_software_free_download.pdfIn PDF document text
- http://moxumepavigotuf.iblogger.org/attitude_personality_test.pdfIn PDF document text
- https://cdn.sqhk.co/fegokirar/Kij27ie/angina_inestable_tratamiento.pdfIn PDF document text
- http://kikaxefe.22web.org/ruvopitoxogorifep.pdfIn PDF document text
- https://jirilerimu.weebly.com/uploads/1/3/5/9/135967849/xelinefakize.pdfIn PDF document text
- https://cdn.sqhk.co/luwivimexu/BhjZghT/domino_game_offline_mod_apk.pdfIn PDF document text
- https://juxivuvamefuba.weebly.com/uploads/1/3/4/6/134694829/pisabav_jepomujovoj.pdfIn PDF document text
- http://sidikapefujuxe.22web.org/vaterufus.pdfIn PDF document text
- https://cdn.sqhk.co/nanubebebot/27bicjh/6101292008.pdfIn PDF document text
- https://lodonukatozusa.weebly.com/uploads/1/3/1/0/131070116/bapisifipeti.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408719/normal_5fc8b89883e93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465389/normal_60286a72c98ed.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kixukad.epizy.com/bed_sheets_king_size_uk.pdfIn PDF document text
- http://joxamemi.epizy.com/media_player_classic_codec_pack_free.pdfIn PDF document text
- http://pogixade.rf.gd/no_game_no_life_shiro_x_sora_lemon.pdfIn PDF document text
- http://takumoz.epizy.com/vovuwiwikowefogegutawuba.pdfIn PDF document text
- http://wesovipimamino.epizy.com/73957529534.pdfIn PDF document text
- https://s3.amazonaws.com/potamotaz/cloze_passage_worksheets_for_grade_6.pdfIn PDF document text
- https://s3.amazonaws.com/wolina/36289716228.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/lesijakuvirijotolisedavas.pdfIn PDF document text
- https://s3.amazonaws.com/lazolu/dopekolifevisimitadin.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_off000103db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DB | 5276 bytes |
SHA-256: 581617166e30a456bbb96efbe3ad227896d14af2da0efad25098113e0f806839 |
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font_01_sfnt_off000115f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115F3 | 11292 bytes |
SHA-256: 29730eef2e767bf10cbe4927f35b8b12b741a9d1382da67019996471352df08c |
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