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 0.9997
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://seumenha.ru/award?keyword=bacteriophage+lytic+cycle+pdf PDF link annotation
- http://antinomi.design/how_to_teach_singular_and_plural7byaf.pdfIn PDF document text
- http://wordsideget.top/how_to_write_a_school_discipline_policyxebsu.pdfIn PDF document text
- http://pinerapidsrr.com/53091962347lwbmw.pdfIn PDF document text
- http://twitter-center.com/6216341746okq3t.pdfIn PDF document text
- http://pedrons.space/gate_mechanical_engineering_books_downloadvq91o.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/2a9308f0-c636-4692-8742-ca4777ab7928/is_a_muscular_body_attractive.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4ed7708-b63f-40aa-9f84-455fd10e609a/epson_expression_premium_xp-820_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db097c0f-ff3e-4a69-9ed0-e76d1054c1e5/ley_de_ohm_ejercicios_resueltos_circuitos_en_serie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ecebf9e-e170-4ba6-8ada-3276e51783b6/72921169982.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/326ff65a-b393-4ccf-91fe-0be8d2e2de6b/hype_bluetooth_speaker_with_handset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/883802a6-317a-4567-a13b-664f97499403/what_car_seats_are_compatible_with_baby_trend_sit_and_stand_stroller.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3139832-4e22-49e6-b503-cfee26740a2f/trane_cleaneffects_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b31f08cf-8e86-49c5-b318-1a0c9106bda6/23719072791.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1fab268c-e790-4d49-a8b5-581190925f7d/5939245550.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38d46ac7-f701-4ba3-a9e4-c51e4b62c838/free_online_reading_comprehension_test_4th_grade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3435357-3aab-460c-adbf-20e5360052a2/21675943297.pdfIn PDF document text
- https://b32521b7-32ca-447e-9967-d27d0dce683d.filesusr.com/ugd/800b88_491668915ffc4e55a7cb6ebab2927a8b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4fdaedf3-ebe0-43fe-9f3f-5065a3975235/56124596358.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/052f15e5-f8e8-4fd6-bce6-45be1fc08bb7/how_to_draw_anime_girl_eyes.pdfIn PDF document text
- https://ec5c17a1-061e-4a2c-a9e6-b3561ba71229.filesusr.com/ugd/299074_de1252e35c6b4ec59f31ee05ea9a96fc.pdf?index=trueIn PDF document text
- https://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_5b8dd798de4d49769bd639b383ca812c.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_off00012dbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DBD | 5392 bytes |
SHA-256: a7fd8c1c3f1cfbb645932e4af1a8e04732a7d5ee3bddd7ea5b96caaf6ed98521 |
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font_01_sfnt_off0001401b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1401B | 10932 bytes |
SHA-256: 9d328196b8c515e678634d3e046d9cc640b3c59b146ee5074a8b5a07b51064e7 |
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