MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of numerous external links and the 'SE_INVOICE_LURE' heuristic suggest the document is designed to redirect users to malicious sites, potentially for credential harvesting or malware download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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/aws?utm_term=oracle+ilearning+quiz+answers+section+4 PDF link annotation
- https://rokojilezel.weebly.com/uploads/1/3/2/3/132302907/1603796.pdfIn PDF document text
- http://nicechange.space/tozujujawepl7w0.pdfIn PDF document text
- https://cdn.sqhk.co/woteruzid/jahcZjj/iphone_11_mobile_ringtone_download.pdfIn PDF document text
- https://bodonovovo.weebly.com/uploads/1/3/1/6/131607174/4ab7c1608d013.pdfIn PDF document text
- http://talakam.space/lewuzigokelurefuserikupik3w6ep.pdfIn PDF document text
- https://naxulukituno.weebly.com/uploads/1/3/4/8/134879135/c38d705.pdfIn PDF document text
- https://vinawulisakuj.weebly.com/uploads/1/3/2/7/132712505/konuro.pdfIn PDF document text
- https://cdn.sqhk.co/kekumumaxow/ianzh2k/warframe_crossplay_2020.pdfIn PDF document text
- https://dufebekeromodi.weebly.com/uploads/1/3/0/7/130776386/9085775.pdfIn PDF document text
- https://cdn.sqhk.co/baxorurifina/hgXiehb/27697909931.pdfIn PDF document text
- https://fawewetipe.weebly.com/uploads/1/3/1/3/131379545/334ebae3273.pdfIn PDF document text
- https://rozomibevepozif.weebly.com/uploads/1/3/0/7/130775668/1b1667a988dbf.pdfIn PDF document text
- https://cdn.sqhk.co/zusegekum/cicnevt/into_mirror_game_apk_download.pdfIn PDF document text
- http://clientesdkb.com/flip_skater_mod_apkxq1qy.pdfIn PDF document text
- https://zosomezo.weebly.com/uploads/1/3/0/9/130969149/doxef-sowefi-wuvataf-xirifova.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458161/normal_5ff232a2ed19e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tumuzu/job_interview_question_and_answer_sample_tagalog.pdfIn PDF document text
- https://s3.amazonaws.com/dukajevo/bollywood_music_song_2019.pdfIn PDF document text
- https://s3.amazonaws.com/rogugagatuf/livros_sobre_argumentao.pdfIn PDF document text
- https://s3.amazonaws.com/lefemijip/run_android_apps_on_linux_32_bit.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_off0000e02b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE02B | 5352 bytes |
SHA-256: d87b5483fc03da23b5cc0226d3a470b161819f36d282ee481feb237ea47f510d |
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font_01_sfnt_off0000f287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF287 | 11044 bytes |
SHA-256: c161baf375025b0bd4d3d03b09255ba1e0534a7a7c17c8eb94c25216fb5dd3bd |
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