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 0.9998
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://maypoin.ru/wix?keyword=appropriate+use+of+relevant+historical+evidence PDF link annotation
- http://rasazajafatirek.mypressonline.com/kirimejuze.pdfIn PDF document text
- https://kewejalafu.weebly.com/uploads/1/3/5/3/135329801/fovitudavi.pdfIn PDF document text
- https://refitefajo.weebly.com/uploads/1/3/2/6/132683069/pegoxinununuzajed.pdfIn PDF document text
- https://zezuwosizu.weebly.com/uploads/1/3/4/4/134459619/revotu-bagabusudopaze.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385648/normal_601221f6d3b08.pdfIn PDF document text
- https://rixedevo.weebly.com/uploads/1/3/5/3/135306589/bilivatinu-ranigonimu-zezezojuwedodi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393511/normal_6027c277cf008.pdfIn PDF document text
- https://roguvajodanuk.weebly.com/uploads/1/3/1/3/131379692/biwupenokazux-rajubeduzasuvu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d7179dab-c972-4501-9f4a-16044ca71e84.filesusr.com/ugd/434f74_2a3617d0d66e47208fbfe8d6f0be6959.pdf?index=trueIn PDF document text
- https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_50091800722f4ffeab00c90dcbb06c2e.pdf?index=trueIn PDF document text
- https://b6086c54-8ef4-40f3-ba18-bbbb993b339e.filesusr.com/ugd/36e927_59b0d8bb725345d79a19ef7ab9add53d.pdf?index=trueIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_97daaafe4f464b388063ab31521b1f52.pdf?index=trueIn PDF document text
- https://882e4f53-a7e1-4d4a-89e8-a6e6d9f9b805.filesusr.com/ugd/9a13d2_7a70eea954604b1c820f9bd14388500a.pdf?index=trueIn PDF document text
- https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_b345f1b52eaf4ede86077e08d754b89c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mujevubutukoxu/mijoxitoxosevalitepiwib.pdfIn PDF document text
- https://63c5840e-267c-49ed-94d3-fc9f9d8b9c0b.filesusr.com/ugd/8c5bc8_af62c2ff8e6040fd9a708fd5a4e6dd8a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rixevozajixezos/12891519965.pdfIn PDF document text
- https://f608bf75-187c-4b28-9621-af925c05c2b6.filesusr.com/ugd/05e3ad_320c2e66953e458cad9413ae82e71a7b.pdf?index=trueIn PDF document text
- http://gibidapasajug.atwebpages.com/69442531691.pdfIn PDF document text
- https://cd489911-dc6d-4439-b408-84622343fb93.filesusr.com/ugd/d8e941_7572f39b294e4fb08ae6987944500f18.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_off0000d6bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BB | 5292 bytes |
SHA-256: b2e640b96729e419f960aa4dba8648b477c1768b557c00bc8e5ee0e11291d8ca |
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font_01_sfnt_off0000e8ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BA | 10260 bytes |
SHA-256: 6504b10be0207362105d53861dde505a49dc7d464f652ed9f1b9ca30be103be3 |
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