MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many pointing to disposable hosting or known redirectors, suggesting a phishing or malicious redirection scheme. The presence of embedded URLs and the nature of the heuristics indicate a likely attempt to lure users to malicious sites, potentially for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/wix?keyword=orbit+4+station+manual+57894 In PDF document text
- https://kasapumaf.weebly.com/uploads/1/3/1/3/131397987/7166689.pdfIn PDF document text
- https://cdn.sqhk.co/vunalogivefu/ibjddeX/72873409559.pdfIn PDF document text
- https://cdn.sqhk.co/towitudamuga/hhSdigc/spiral_christmas_tree_yard_decoration.pdfIn PDF document text
- https://tidoxanarapora.weebly.com/uploads/1/3/2/7/132710787/siveponil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453563/normal_602d0943688dd.pdfIn PDF document text
- http://rigoditibalun.mywebcommunity.org/html_to_c_free.pdfIn PDF document text
- https://poximixej.weebly.com/uploads/1/3/0/7/130776069/1346100.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393190/normal_60582a5a154df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421352/normal_600bc5c81c094.pdfIn PDF document text
- https://cdn.sqhk.co/dasadogiso/7HghR46/96083799986.pdfIn PDF document text
- https://cdn.sqhk.co/sowanigog/NRuUFjc/assistant_manager_resume_headline.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481695/normal_6037aea3412dd.pdfIn PDF document text
- https://cdn.sqhk.co/kufalavoxig/1M6aeYJ/pudurizarajopadoxeg.pdfIn PDF document text
- https://gugeropufil.weebly.com/uploads/1/3/0/8/130874104/5684427.pdfIn PDF document text
- https://nevedafixi.weebly.com/uploads/1/3/1/3/131398567/kekiwugebire-belosazanoru-dejuguwamuzax.pdfIn PDF document text
- http://nogurufegu.mygamesonline.org/40_astaghfar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482863/normal_5fe6488e461ca.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/gixirojozogufux/importance_of_public_health_nutrition.pdfIn PDF document text
- https://s3.amazonaws.com/silubebebefuju/49382493747.pdfIn PDF document text
- https://7e6b698e-d56f-4a21-8c48-787e2f6d39f4.filesusr.com/ugd/7836c9_2c47d769848146abb9bea5cf95736bdb.pdf?index=trueIn PDF document text
- https://1527c8d3-3321-4e9f-872f-e2bebb57bac2.filesusr.com/ugd/bf2d42_77281ec6b3a243099b19f0fa00a4ee7c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zowejunef/3507084432.pdfIn PDF document text
- https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_107f4c65192146a5995fb58bab291b49.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_off0000ebcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBCB | 5640 bytes |
SHA-256: f735c6e1391f006836168f4749f3468bc110d1454c69bf481e3425744b8b743c |
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font_01_sfnt_off0000feea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEA | 11648 bytes |
SHA-256: a407fe076f6fe14eca109b03aaf57c582dfe20546a23b1e5aec31b2e18e37429 |
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