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 0.9992
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://leonvi.ru/123?utm_term=free+printable+first+birthday+chalkboard+template PDF link annotation
- https://topazezinin.weebly.com/uploads/1/3/0/9/130969714/dusovotevofat.pdfIn PDF document text
- http://lady-bug.club/11879974247lgodf.pdfIn PDF document text
- http://xatubaxo.iblogger.org/casio_g_shock_3263_manual.pdfIn PDF document text
- https://bisetegu.weebly.com/uploads/1/3/4/5/134528498/2942878.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382614/normal_6032aecb6fc14.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407327/normal_600668b5da75a.pdfIn PDF document text
- http://migarosovimopem.22web.org/guess_logos_answers_level_57.pdfIn PDF document text
- https://jajibesuwazigix.weebly.com/uploads/1/3/1/3/131383486/7106199fe4b3b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415077/normal_6029ad1b288ef.pdfIn PDF document text
- http://theandyhong.com/gugosawagozibeqwgnd.pdfIn PDF document text
- http://myfavoritesun.xyz/brian_padgett_arrestedly0sg.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476936/normal_5fc73c1dea4ba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a49aa754-465e-4bbd-924e-b3d0e7b66bd4.filesusr.com/ugd/81d6a4_0132224aa3fe45da91ce3126f8c70f65.pdf?index=trueIn PDF document text
- https://38f9ccf9-db33-4582-994d-0ea518e52d38.filesusr.com/ugd/368de4_49d484e4665a48c9bf770e657047b95d.pdf?index=trueIn PDF document text
- https://21c505bb-01ca-4817-a549-4ed1ebba5040.filesusr.com/ugd/7d7105_959cba060a73488a85f3a02ab290b822.pdf?index=trueIn PDF document text
- https://d70b1dc8-7d09-4148-9854-e6a7cae1b87b.filesusr.com/ugd/5899d5_d60aa8749a5a4beea505f36933c430e9.pdf?index=trueIn PDF document text
- https://1b6fe947-be7e-4494-9a94-f566f178d3d1.filesusr.com/ugd/89064d_4e05da22dc3140158f1adc28fa3f78ab.pdf?index=trueIn PDF document text
- https://54d25d35-1219-4e5f-97c3-905e72ea606f.filesusr.com/ugd/6d59ab_dcc06e6ed030418280c3e94270815d1c.pdf?index=trueIn PDF document text
- https://5ac9d038-517d-4536-97f6-676423289421.filesusr.com/ugd/b444d4_8349cd1c36bd49818c438e0e449d3cca.pdf?index=trueIn PDF document text
- http://fusuxitizubuka.epizy.com/betaflight_multiwii_serial_protocol.pdfIn PDF document text
- https://e5b7f393-9b83-42c5-a877-5b85c0c772c8.filesusr.com/ugd/77b42d_5591b03c931243cb8c583f4515b41412.pdf?index=trueIn PDF document text
- http://kajonamopesubom.rf.gd/bartenders_guide_jerry_thomas_vermouth_cocktail.pdfIn PDF document text
- http://mupowazige.rf.gd/willy_the_sparrow_movie_online.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_off0000e217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE217 | 5656 bytes |
SHA-256: f5371c56dbf2d9521e97e9394f165d80424ee8111dcba419ece6779eee957101 |
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font_01_sfnt_off0000f52f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52F | 10240 bytes |
SHA-256: a6caa837f3b0e8057c1defe0f3afe26481bef508cbaa1b522a4a215a2a42bd94 |
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