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 0.9990
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://nipisod.ru/strik?utm_term=powers+and+exponents+worksheet+pdf+with+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368466/normal_605df5617c6fb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4527108/normal_5fc7fc3b0955f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449600/normal_6014494b028a4.pdfIn PDF document text
- https://toxejezewigi.weebly.com/uploads/1/3/4/5/134513259/8430043.pdfIn PDF document text
- https://tugalebuwe.weebly.com/uploads/1/3/4/0/134012885/xonep-roduwajawemevek-rozugupunuliga.pdfIn PDF document text
- https://nomozusosowewox.weebly.com/uploads/1/3/1/4/131453154/ae5fdc050176205.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4505687/normal_5ff65b78c12b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495975/normal_605dfa1de5e81.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451744/normal_5ff3e58602729.pdfIn PDF document text
- https://varipejat.weebly.com/uploads/1/3/0/7/130739080/veven_kabome.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477173/normal_605ef815d6b32.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488141/normal_602e36bc423ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457005/normal_603b5db20102a.pdfIn PDF document text
- https://momaduse.weebly.com/uploads/1/3/4/8/134895420/zafuzegu_fenavuvisifavez_zobesutinuvep_vabewakovemop.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472198/normal_600481d8d143d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402294/normal_5fe53cba62e86.pdfIn PDF document text
- https://buvekidi.weebly.com/uploads/1/3/0/7/130775196/930f4c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366646/normal_5fd6806d0c89e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445570/normal_6048526b89747.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/gifojuxaxeva/88810474444.pdfIn PDF document text
- https://s3.amazonaws.com/mudurixo/bumblebee_transformer_costume_3t.pdfIn PDF document text
- https://s3.amazonaws.com/luramamelolem/merchant_of_venice_themes_and_quotes.pdfIn PDF document text
- https://s3.amazonaws.com/luropiw/dusokozuzawuze.pdfIn PDF document text
- https://s3.amazonaws.com/vojapu/18693161724.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47C | 5112 bytes |
SHA-256: 1089325e43cc688056a81f36714fc098993fe61a250a7763476df4febcdbf318 |
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font_01_sfnt_off0000f5e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E6 | 11032 bytes |
SHA-256: 7b5593c2aeb35a27ad636b41855cb56c5a77d2d0391cf0422eade027c2c22c60 |
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font_02_sfnt_off00011bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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