MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9896
Heuristics 5
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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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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://seumenha.ru/strik?utm_term=hardest+calculus+problems+with+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4377933/normal_604468ab531d9.pdfIn PDF document text
- http://rulajamizap.getenjoyment.net/programming_in_c_by_ajay_mittal_free_download.pdfIn PDF document text
- http://kakerusejom.iblogger.org/ipcc_report_2013.pdfIn PDF document text
- https://mibofadap.weebly.com/uploads/1/3/1/6/131637701/jetupasux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405639/normal_5fe86161d1291.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489733/normal_5ff2888cdead7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475734/normal_605459c724add.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374196/normal_5fe8ef322a3cf.pdfIn PDF document text
- https://pudisemibupar.weebly.com/uploads/1/3/4/0/134096773/maruxov_tusogajovuw_jazaxesoto_kununavixob.pdfIn PDF document text
- https://zozolunefa.weebly.com/uploads/1/3/5/3/135325744/jowesokifa-zipijuwe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382784/normal_5fc87b0550057.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413845/normal_5fe796e82559d.pdfIn PDF document text
- https://nogorixarolixi.weebly.com/uploads/1/3/0/7/130740589/xexaz.pdfIn PDF document text
- http://wejuzofibab.medianewsonline.com/vewivewelutepuda.pdfIn PDF document text
- http://xudisoda.66ghz.com/vazinusobulo.pdfIn PDF document text
- https://xevekefipozi.weebly.com/uploads/1/3/1/4/131406281/e2808abd39.pdfIn PDF document text
- http://jenewazajasazu.getenjoyment.net/slimming_world_free_foods_uk.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/fejakixoweka/wokiwilawakakilesatewe.pdfIn PDF document text
- http://zevomes.rf.gd/all_souls_trilogy_book_1.pdfIn PDF document text
- http://gumizaxewa.atwebpages.com/zidowemi.pdfIn PDF document text
- https://s3.amazonaws.com/tikoweravisixu/76879152912.pdfIn PDF document text
- https://s3.amazonaws.com/gupawupigawono/epfo_registration_form_2019.pdfIn PDF document text
- https://s3.amazonaws.com/bubodeliza/tencent_gaming_buddy_emulator_offline.pdfIn PDF document text
- http://rixibedi.onlinewebshop.net/trueman_s_elementary_biology_download.pdfIn PDF document text
- http://retetopipazaned.epizy.com/kawedefe.pdfIn PDF document text
- https://s3.amazonaws.com/godewumazek/north_conway_nh_weather_report.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12882 | 5504 bytes |
SHA-256: fbe4c9d5607ed04b7daf4ecc782d3346a34f952776b7c6d7e0638bc7fc7c68ba |
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font_01_sfnt_off00013b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B15 | 12376 bytes |
SHA-256: 37c2db4dd35de8c8a1f6974e8d117f6dcaa6128c233fec7ee29b6e1984b96a42 |
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font_02_sfnt_off0001657a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1657A | 16124 bytes |
SHA-256: 8d6695225dc3b038b27642a4494180d5ac21b720f74e731b7da772b7987b308f |
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font_03_sfnt_off00017a6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A6A | 6068 bytes |
SHA-256: ff9cbd7946f30f2b7bbe064772a6115a344c3f976dd6a12c5040da37f7346dc6 |
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