MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://traffmen.ru/strik?utm_term=i+wish+you+were+here+meaning+in+english In PDF document text
- https://cdn-cms.f-static.net/uploads/4370090/normal_5f8e1d8a21407.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393503/normal_5f9e00f7960dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465555/normal_5fdedbbef3073.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401703/normal_5fd66f2683ab7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380413/normal_5fb55a94de81d.pdfIn PDF document text
- https://sojejizewo.weebly.com/uploads/1/3/4/4/134460985/ximugikug.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://www.opentle.orgIn PDF document text
- https://s3.amazonaws.com/kokesatodixon/kafutumarexuvozi.pdfIn PDF document text
- https://s3.amazonaws.com/dezajok/72215990633.pdfIn PDF document text
- https://s3.amazonaws.com/warapagefasovi/fivadenemi.pdfIn PDF document text
- https://s3.amazonaws.com/kuboki/ansys_apdl_free.pdfIn PDF document text
- https://s3.amazonaws.com/wixamupelinere/mensagem_fernando_pessoa_espaol.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 10
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_010_off00015d71.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x15D71 | 18364 bytes |
SHA-256: c2dcabf03e563186a0f62d768a6b46906b046000bcbb402f31068fcb63fb6666 |
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font_00_sfnt_off0000d931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD931 | 3316 bytes |
SHA-256: 2d92cdf1cb1c0c990d3d4ed3ba17c68c4c4bf308528fa69bd59b0b65852cc85f |
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font_01_sfnt_off0000e521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE521 | 5228 bytes |
SHA-256: ef6cec4834d0a0dba285ef3e0471dc0540b9a331a73f854abebbd5f6e3ed62d8 |
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font_02_sfnt_off0000f6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D0 | 2656 bytes |
SHA-256: ff8289fcab20b7b81f5dc7c47458689637225d7099c48932a46d6898d6123f6c |
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font_03_sfnt_off000101d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D7 | 2328 bytes |
SHA-256: 18b250f24057ce91e4a59b25c1eec79fa8b4d7e2cb9f6c0de02c7e032a072fd4 |
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font_04_sfnt_off00010c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8C | 2108 bytes |
SHA-256: 5fc9e2cd4e7ad04544edda2023dd698132b65daf167a61e09de9fd8de66d8b52 |
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font_05_sfnt_off0001165a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165A | 2944 bytes |
SHA-256: 0aa83e099ba7b6abfc433245d32bcfd4b4c3f928dcf6c287bdfbb1e92b756da5 |
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font_06_sfnt_off00012056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12056 | 5916 bytes |
SHA-256: 65b84529e238c7e37e27d7f96edb44775ebfbd6aa3cc642a6db28fb9a6bd183f |
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font_07_sfnt_off00012f6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F6C | 15388 bytes |
SHA-256: 0e0c4642fa7069a34f97386aab38b3eb28fc16e3683bc3b078216843ff20a732 |
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font_09_sfnt_off00017aca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17ACA | 2832 bytes |
SHA-256: d7a1248cabf161ff78a072bd924b98f1b4e551660f4e151c9433689786990c0c |
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