MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by an ML classifier. It contains a large number of external links, many of which point to disposable hosting and utilize UTM parameters, suggesting a link farm or SEO manipulation tactic. One of the primary URLs extracted is 'https://druttle.ru/123?utm_term=avidyne+ex500+installation+manual', which appears to be a lure. While no scripts were directly extracted, the PDF structure and the nature of the links indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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://druttle.ru/123?utm_term=avidyne+ex500+installation+manual PDF link annotation
- https://favaruzikab.weebly.com/uploads/1/3/4/8/134871436/semus_gakoxak_xafexalanipi_loxevimeziru.pdfIn PDF document text
- https://faperusa.weebly.com/uploads/1/3/1/4/131454178/bd6e832661d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379500/normal_602b40ba6ea6f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382194/normal_605bac2735fd9.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/bcc9916b-bdbb-448d-a12f-f4927f805196/el_cerebro_argentino_facundo_manes_descargar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27b73c4a-f118-43cb-9d49-cfb429f171ba/zmodo_camera_offline_2018.pdfIn PDF document text
- http://xoxafepapesu.pbworks.com/f/69875352649.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec330db5-d602-4541-8f3b-298dc7d91231/american_standard_furnace_error_code_e12.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eecfb1d2-501e-4f2f-9ac7-00abe21c8fdb/canon_powershot_elph_170_is_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bff6a92c-147c-43e6-a0e3-bec4bd8c7e2f/best_free_english_grammar_checker_online.pdfIn PDF document text
- http://redejok.pbworks.com/w/file/fetch/144529986/nedidifakokepi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/224f4e8d-640b-4e04-90ca-4b15f5900efb/how_to_solve_trigonometry_problems_easily.pdfIn PDF document text
- http://lagawiwefe.pbworks.com/w/file/fetch/144528822/50850762944.pdfIn PDF document text
- http://liguduper.pbworks.com/f/vrat_katha_in_hindi_download.pdfIn PDF document text
- http://vananizi.pbworks.com/w/file/fetch/144524655/how_often_do_you_have_to_self_certify_cdl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a1debb7-ab8c-452c-bf6c-ed4c4c13ce4c/18191938858.pdfIn PDF document text
- http://sonopewobu.pbworks.com/f/podakojumerurobogun.pdfIn PDF document text
- http://garewewaziwu.pbworks.com/w/file/fetch/144536205/gavepemum.pdfIn PDF document text
- http://damopijos.pbworks.com/f/84247890283.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90236c2d-57ea-47a7-95b1-0c609b1c39c3/what_crimes_will_get_you_the_death_penalty.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001394a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1394A | 5360 bytes |
SHA-256: 41ca24f24f9b94c4f09004023d35c9923ac4a3efa5801ae5d2c091dfc39fd0b0 |
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font_01_sfnt_off00014b8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B8E | 12284 bytes |
SHA-256: 34cd884e6454fe07e34b5f03e5f4cc084a8ca2e8fac0d82d03bb09110e30ff23 |
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font_02_sfnt_off00017566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17566 | 16200 bytes |
SHA-256: 8dba8b003e2f0b1208a5ab40361c9ccba491c763669ffb14b5bd50894542c8db |
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