MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to disposable hosting, and one specific URL, 'https://krisoc.ru/pbw?utm_term=december+2019+sat+test+answers', is flagged as suspicious. The presence of these links suggests the document is designed to redirect users to potentially harmful websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://krisoc.ru/pbw?utm_term=december+2019+sat+test+answers PDF link annotation
- https://tenaxolisus.weebly.com/uploads/1/3/4/6/134654195/seguvomorilij.pdfIn PDF document text
- https://kiwemedorupa.weebly.com/uploads/1/3/4/4/134446537/8fbf7f1193e.pdfIn PDF document text
- https://torudedo.weebly.com/uploads/1/3/4/3/134352944/765ff7538.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426413/normal_5fcaf85817e54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383794/normal_606d97f002e22.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420747/normal_5feccbea8f92f.pdfIn PDF document text
- https://pupuzufasu.weebly.com/uploads/1/3/4/7/134759867/fefajofedefaw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490752/normal_60bd7cf1bc3e3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384320/normal_5ffeabcfc6a61.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386593/normal_6017a5a58e8d3.pdfIn PDF document text
- https://fojevatiseme.weebly.com/uploads/1/3/4/4/134400043/7133002.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://wotetidi.pbworks.com/w/file/fetch/144637767/do_all_air_fryers_cause_cancer.pdfIn PDF document text
- http://fumagefad.pbworks.com/w/file/fetch/145068513/22874097010.pdfIn PDF document text
- http://wiwedano.pbworks.com/w/file/fetch/144424293/what_water_temperature_kills_fungus.pdfIn PDF document text
- http://mepijewaj.pbworks.com/f/sirisuwip.pdfIn PDF document text
- http://dejapitud.pbworks.com/w/file/fetch/144799437/58145137358.pdfIn PDF document text
- http://joxakuruvi.pbworks.com/f/big_ideas_learning_geometry_1_6_answers.pdfIn PDF document text
- http://razodegotit.pbworks.com/w/file/fetch/144729126/27408494725.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00017536.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x17536 | 16716 bytes |
SHA-256: df5311d548cc1d6dc798de90779a089abf506f1b72432b2b48bf359f5fe72bd3 |
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font_00_sfnt_off00010e85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E85 | 12828 bytes |
SHA-256: 797a88658908732d1b65f0f2a55e6068f0538734f0eb5198115459fa66624839 |
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font_01_sfnt_off000138f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F4 | 5624 bytes |
SHA-256: 4e48e506402f4d4e067c624e97dfdf58bb87be2abb6e1765f2d97908f082cb49 |
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font_02_sfnt_off00014c10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C10 | 12140 bytes |
SHA-256: 213a0c106a807b6a46ac879c6e323cbb4290796e9149eaa4184204d734d0e259 |
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font_04_sfnt_off00018cee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18CEE | 2792 bytes |
SHA-256: 767a3be232117f13a302c99feaae426ab7672fc476bed27e099bc03d76ff4939 |
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