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 0.9996
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://kuzutuzo.ru/123?utm_term=standard+resignation+letter+template+pdf PDF link annotation
- http://nurigufasuvunu.iblogger.org/22830575970.pdfIn PDF document text
- http://fezibinuzot.iblogger.org/interview_questions_and_answers_for_electrical_engineers_freshers.pdfIn PDF document text
- http://vozujuluxe.iblogger.org/widopolipivajip.pdfIn PDF document text
- http://palumurawisan.22web.org/reresilaxidifoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://13cfbe10-32e4-4d7a-9072-8dbd3280e6b8.filesusr.com/ugd/994e9e_a57e189c17b34b069dc5c126b251a577.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a76aafde-2e93-4950-9ba3-76b5bbb865b3/32301916446.pdfIn PDF document text
- http://ribaxekag.epizy.com/18056157062.pdfIn PDF document text
- http://xifabopopotesa.epizy.com/kathaigalai_pesum_audio_song.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb8ab403-31c9-42e1-9ef6-a051e75ee65d/how_do_essential_oils_work_for_emotions.pdfIn PDF document text
- https://7043ee2c-bc2d-4d46-b82c-b0075177c1aa.filesusr.com/ugd/f862b5_b869cd7ae70b404d947d7f97d7e4edbd.pdf?index=trueIn PDF document text
- http://porumujowupof.epizy.com/chakravyuh_movie_openload.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/194d8906-b396-4bec-8f3c-1c22e4d83335/what_is_wrong_with_the_american_school_system.pdfIn PDF document text
- https://ca30e0e0-ecf2-44ab-b6a2-fe26291458be.filesusr.com/ugd/34e21e_e9e27909960c4a01b368a9381da8d212.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/425ccfe9-3827-42b3-9c31-3804e94cec99/pigivurorajulonodewig.pdfIn PDF document text
- https://fa886832-b9e3-4ce5-a98c-97da2614721f.filesusr.com/ugd/9f8050_0ef32813fb04411490e9342899fafc55.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8ed997ae-bb0d-44fb-b6bc-20fd149796a7/pretty_little_liars_episode_1_google_drive.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/149f807b-5e10-4119-9cd2-d3da9ef02b25/how_many_carbs_in_one_subway_sugar_cookie.pdfIn PDF document text
- https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_a86aaaf7afee4aa7b3bb19f8cf698cdd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9b24c3eb-47eb-48b2-8803-7c45551ed3e0/20318517017.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4aa5697e-cfd3-4839-9caa-3ed9dd89b08c/58102529648.pdfIn PDF document text
- https://a97be2a3-bfb5-42de-bba9-b145341b31aa.filesusr.com/ugd/1f2860_fbececb9b73b43da88a9addf3c2a6906.pdf?index=trueIn 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_off0000fee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE2 | 5464 bytes |
SHA-256: 2ceaaecfb9d02afdd8030cd6e000406ab52be9be49cde9c744ebe6467c58fcc0 |
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font_01_sfnt_off00011160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11160 | 11132 bytes |
SHA-256: af60bd453785d227602ea97a344f94f129e4655cf77035ed550ca1c393a5c262 |
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