MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of external links and the overall structure point towards an attempt to redirect users to potentially harmful content.
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://cdn.sqhk.co/janezewufaj/bNhg4gg/steam_tables_thermodynamics_rogers_and_mayhew.pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4378831/normal_5fdf71121325e.pdfIn PDF document text
- https://cdn.sqhk.co/finelega/hjrLohg/snowball_io_game_app.pdfIn PDF document text
- https://cdn.sqhk.co/gulifunanale/iiDWZii/mobile_manager_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/bepesewutu/bDjjghf/rezidebixo.pdfIn PDF document text
- http://sale20.site/59008182697cetkk.pdfIn PDF document text
- http://organic-ita.space/67222084810freno.pdfIn PDF document text
- https://cdn.sqhk.co/supetuzitepi/E1hjmgh/surah_ar_rahman_qari_abdul_basit.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379837/normal_60248ab9b2182.pdfIn PDF document text
- http://komozazene.getenjoyment.net/harris_algebraic_geometry_a_first_course.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454281/normal_6028a062bb9e4.pdfIn PDF document text
- http://copyrighthelpcentral.com/ringworm_rash_on_buttocksbppsy.pdfIn PDF document text
- http://rawoxaxevog.mygamesonline.org/26637737268.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483867/normal_6058ed227b051.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387814/normal_5ff987d12023f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/4NO0L8wlyOA/wb?keyword=amazon%20web%20services%20beginners%20tutorialPDF link annotation
- https://2178e3ec-2e0a-46e0-af35-d8a6fdfeb21a.filesusr.com/ugd/c411cf_45837a9281a84c5092a2209a279aac36.pdf?index=trueIn PDF document text
- https://e082b6be-64c0-45f6-a8ff-82b9c6f476f0.filesusr.com/ugd/1479de_3afb5d5085c14c7995306a8c26b18cdc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/saziwijaxodav/kavitedekoligutapep.pdfIn PDF document text
- https://836291d8-7b77-40db-be8c-3105928c7ef3.filesusr.com/ugd/aae074_7d65523581bf4cf380cfa8e5f2949da7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/natewared/el_imperialismo_norteamericano.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_off0000f083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF083 | 5448 bytes |
SHA-256: 16d80036c3b3fda566bbee63e6285d33f7cb2498e24522dd9e47e7a66368e795 |
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font_01_sfnt_off0001030f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030F | 11452 bytes |
SHA-256: bb9370efd9e0a084e9cbf2a55b81a7ce8eec4ce5ae5a11d561e2fc0ab5ff9814 |
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