MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely leading to further malicious content or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://seumenha.ru/strik?utm_term=life+pharmacy+al+qusais+oasis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367283/normal_605025d71ab87.pdfIn PDF document text
- https://dusoveri.weebly.com/uploads/1/3/1/0/131070325/kadozi-moxoke-mojutuvage.pdfIn PDF document text
- http://zepufifusatam.22web.org/wenesifokujarudaxovu.pdfIn PDF document text
- https://xepevuke.weebly.com/uploads/1/3/0/7/130775471/fegaporemeke-pinen.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412902/normal_604af0cfc0888.pdfIn PDF document text
- https://negowisavu.weebly.com/uploads/1/3/1/4/131406226/suregubo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410433/normal_604071e8a8a20.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366374/normal_5fe4e51078628.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://684917c6-b594-4497-9ea4-141105166a5b.filesusr.com/ugd/0dc9f5_bffbae498de7474bb4dce3809d835710.pdf?index=trueIn PDF document text
- https://5b3500e9-40b4-440a-9ada-171ed8bcf4c9.filesusr.com/ugd/7820d0_0753ad160773478f9a7636d5881dac05.pdf?index=trueIn PDF document text
- https://a8a2d6b8-6248-42a0-90a4-e25e421c2e59.filesusr.com/ugd/f63f29_441882c3abc943e4a0172644190a0b96.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6d33663d-dc94-4508-9d3a-0deb482a9dfa/sub_zero_550_ice_maker_repair.pdfIn PDF document text
- https://67258aaf-84c5-4a88-bfd2-1aa7ddb6c27a.filesusr.com/ugd/850f07_75f2f15baca94ee7b6f2e0026fc12599.pdf?index=trueIn PDF document text
- https://217ba8a6-026c-4a9e-b1ce-2eadff0a4a08.filesusr.com/ugd/3d7af5_289e14118da04f42a2e3b92126f0c0c5.pdf?index=trueIn PDF document text
- http://bezafesu.rf.gd/diccionario_ingles_espaol_oxford_precio_porrua.pdfIn PDF document text
- https://65de77fc-0341-4fd2-89b2-cd6b005a91de.filesusr.com/ugd/cf79db_5e0b7cb8720d4f078125a65731af3fd7.pdf?index=trueIn PDF document text
- https://d848e4b6-662b-4424-a759-963270729452.filesusr.com/ugd/30e015_4aad3233690a44de8426bf4712f52800.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ce8b1635-4712-4c3f-ae37-1e62eba42cbf/himno_nacional_mexicano_en_nahuatl_letra_completo_y_en_espaol.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_off0000fed1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED1 | 5424 bytes |
SHA-256: 4bffbc64f928f3cbb5def09ca61a89e525af6f61931a4a4b6eee4aab2931ce4c |
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font_01_sfnt_off0001112b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1112B | 12344 bytes |
SHA-256: f6bb109ddb415f70d10e8dbf9fee5a872c4be132f1a1ca0faa334e9bbd92d48f |
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