MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of external links, flagged as a 'PDF_SEO_LINK_FARM', indicating a likely attempt to direct users to malicious or compromised websites. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier score of 0.999 further supports a malicious classification. While no scripts were explicitly extracted, the PDF structure and URL farm suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 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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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://jottigo.ru/123?utm_term=removable+partial+dentures+review+and+case+report PDF link annotation
- http://nunopasatipimav.medianewsonline.com/41913789729.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465131/normal_605efc2512d5a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476578/normal_5fcd8ae398347.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459468/normal_6046b322350bc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/72f08966-8d4f-4ed1-a123-2dac1dc81dd9/japan_resigned_from_the_league_of_nations_after_it_objected_to_japanese_aggression_in.pdfIn PDF document text
- https://s3.amazonaws.com/sefepugolupalax/riwigubezapitimubam.pdfIn PDF document text
- https://s3.amazonaws.com/lixuduwonifa/biblia_en_linea_reina_valera_1960_en_audio.pdfIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/17645780840.pdfIn PDF document text
- https://s3.amazonaws.com/kujesulad/kazojezupurovukimebepuli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21e7e96a-3bff-4bd4-b1f2-0e7a82524f65/79174764303.pdfIn PDF document text
- https://a3e8d6b6-68ee-4625-a313-a25a09dbd39d.filesusr.com/ugd/312e12_a78dd7b387f7438685f345dd8a2dcaef.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fda70132-fb67-4b89-a0e1-bac4392ca263/learn_python_coding_language_free.pdfIn PDF document text
- https://6363ce23-9394-4102-a476-7be320345719.filesusr.com/ugd/7c41c1_7375bb553aa8464d8086b702ad45393c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nunakixuma/manualidades_navideas_en_fieltro_2017.pdfIn PDF document text
- https://s3.amazonaws.com/matogapibelifiv/vikirumigu.pdfIn PDF document text
- https://7ae52be2-ba3c-41fb-8935-29281088223e.filesusr.com/ugd/affaa6_0f97d00404e7428287f48e21a5cb155a.pdf?index=trueIn PDF document text
- https://f815f12b-539f-4060-8ed9-abd2caada31b.filesusr.com/ugd/ceb2e8_3d55c9e7d8ac4ac8a38f647b1ee56336.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ropuba/my_passport_wireless_pro_user_guide.pdfIn PDF document text
- https://s3.amazonaws.com/fogibi/vuvogimivokajexefowamo.pdfIn PDF document text
- http://pabotojixupi.atwebpages.com/the_ghost_of_canterville_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e352e35e-4106-400f-a01c-45a370a670ee/kitogulu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/192120c3-7be2-4707-952b-34715538281e/how_do_i_fix_my_brother_printer_is_offline_windows_10.pdfIn PDF document text
- https://s3.amazonaws.com/dazovosugev/juminekowuzafovezosu.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_off00010bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC6 | 5516 bytes |
SHA-256: decc73d58b8f8e6f6ba0d56c613a671149af3235ea168822b7fd155c8b8ef366 |
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font_01_sfnt_off00011e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7F | 11056 bytes |
SHA-256: 972bf43665bb524d95dd736b603204af31813ef6909963378362722ff34346cb |
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