MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, a common tactic for SEO link farms and phishing. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate a high volume of links hosted on potentially disposable domains, suggesting a malicious intent to redirect users. The ML classifier and ClamAV detection strongly support its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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://resalured.ru/award?keyword=ansi+c+pdf+balaguruswamy PDF link annotation
- https://cdn.sqhk.co/pobumepova/id1uZgj/lemonade_recipe_with_lemon_concentrate.pdfIn PDF document text
- http://vepenuvix.mygamesonline.org/memopinowofuwasijo.pdfIn PDF document text
- http://wejuveziwep.mypressonline.com/counting_numbers_worksheet_for_kindergarten.pdfIn PDF document text
- http://xazonojader.mywebcommunity.org/beginner_crossfit_workouts.pdfIn PDF document text
- https://cdn.sqhk.co/zivudasexoni/UPueWKz/64792637873.pdfIn PDF document text
- http://neletaparufo.scienceontheweb.net/32752598632.pdfIn PDF document text
- http://bukipumil.mypressonline.com/woxiw.pdfIn PDF document text
- https://cdn.sqhk.co/bitizulokiva/bgjzgcA/arcade_fighting_games_play_online.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/488d5fdf-37c2-4a58-b87e-1a49a1bcdc4e/what_is_the_message_of_the_blind_side_movie.pdfIn PDF document text
- https://3f735f5a-cd1c-4288-bd93-adeff6e084d9.filesusr.com/ugd/bcc0e4_0e268e4298b9406cbef938373664970e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/61e14efa-4129-49c7-a925-7019cd4524a8/neviwodipevolatanunu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16af8dca-dd82-4794-84fe-0b1030edfaf3/37986533564.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e4dcce0-84c9-497e-9aef-ba891dbd8e80/dewogizi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b85b9ec2-b541-4675-849f-645ea38efba7/wumugevekero.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cff0f06-960e-4bad-9d28-34cc7f306055/how_to_fourier_transform_in_excel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b49113e8-d4a2-4ca8-8e76-d6dabe1a0a3f/difezetikirigo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae4a10b2-3b01-4865-addd-cf8bc71b999b/motorola_talkabout_t465_manual.pdfIn PDF document text
- https://b23183eb-b2e5-455e-bc25-91fac1efd10f.filesusr.com/ugd/cc14e4_98acf6564d3347d99647da76328f8b0d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f7f6f03c-734f-478b-9ab1-e8018f471e53/86248812198.pdfIn PDF document text
- https://4c72699b-aa2e-4dc8-8bd5-1a54e8f938a6.filesusr.com/ugd/f3cb45_3d16ffb3477845389cf9b0a9369d9d09.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/615e4007-3774-4e75-9437-0e3a05b61fac/apple_iphone_5c_launch_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69d2a0e2-a0f8-4dd2-a6c7-c11232a1699a/how_to_get_tested_for_sleep_apnea_uk.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_off0000d9c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C4 | 5796 bytes |
SHA-256: 5e6fe14a4b538f47dd87c78d54875748d8a8e91d41e1aec71f4d625b9f01ad29 |
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font_01_sfnt_off0000ed84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED84 | 10524 bytes |
SHA-256: 8152d61d104c3628416631c5f53768b7acedaf61d4a80bacfb963e8cfed78218 |
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