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 0.9991
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://mezovuduw.ru/award?keyword=calendar+worksheets+for+grade+4+pdf PDF link annotation
- http://ca-management.website/negative_personality_adjectives_list8cn8b.pdfIn PDF document text
- http://tikovg.xyz/the_doubtful_guest0uabk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zonebon/codigo_ascii_para_signo_de_admiracion.pdfIn PDF document text
- https://2559d30b-64cd-4b4d-aaad-e76a675dde99.filesusr.com/ugd/f5a024_7de78cae085546e19d014827c537a524.pdf?index=trueIn PDF document text
- https://1afae0f6-9e35-4dc9-9db7-5dbf78511926.filesusr.com/ugd/afe78f_ca55dfed28954b1182fcd4949740e4f9.pdf?index=trueIn PDF document text
- https://0e9c393c-9feb-4465-ae9d-4486bea7a644.filesusr.com/ugd/4b68be_86a56832e65c42e2a25ec648381fc2c4.pdf?index=trueIn PDF document text
- http://misutiwovodifid.rf.gd/estadistica_descriptiva_concepto.pdfIn PDF document text
- https://51fd5013-30c4-43d1-89ce-86564632a3b5.filesusr.com/ugd/9f06f8_d568b0314d1d4ddb91a66f4b6dc3b90b.pdf?index=trueIn PDF document text
- http://sobisatoto.epizy.com/rexirudikaseragiruwet.pdfIn PDF document text
- https://592908bf-dd96-48cc-88d9-ffebbdd10d84.filesusr.com/ugd/f34823_e61e3844ffe34f3e98e391f22e7dbfb5.pdf?index=trueIn PDF document text
- https://7c5e2310-e79b-429e-9f4a-70471a43dcce.filesusr.com/ugd/8ec1ef_74881a19043c47dab7709eaa4e7af60e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gonima/harry_potter_castle_location_in_scotland.pdfIn PDF document text
- https://s3.amazonaws.com/vunizi/jetofiwexubaxilugureki.pdfIn PDF document text
- https://dca540c6-954d-4243-9f09-0921753db957.filesusr.com/ugd/974a4e_a2133fab744a4a6c858be7fcb605940c.pdf?index=trueIn PDF document text
- https://19a4122d-28db-4ec2-a9e3-8c1e87f24dd5.filesusr.com/ugd/70d0b7_bf7b27c22b1e46cf9c8ef83f3a3261d1.pdf?index=trueIn PDF document text
- https://ac09d6fb-20d1-47e2-97cb-2568fc137cdf.filesusr.com/ugd/03dcd4_8c3588d007e641d2b15f670099f656ae.pdf?index=trueIn PDF document text
- https://2b08c346-38d8-4763-b559-bb9d4fff2313.filesusr.com/ugd/40c9d6_37b9ea0777af4ffd931ccff5e77f1984.pdf?index=trueIn PDF document text
- https://ae0ecf71-49bb-4ac4-bba4-d0f2a20d1af9.filesusr.com/ugd/668a47_fd6a1ecd58644cf088a246d435fecf06.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fodose/arranging_adjectives_in_correct_order_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/pewebopufupe/sovibejamoxivuwaropik.pdfIn PDF document text
- https://ee42ee57-4547-4a8c-8a66-6cccb7f6869d.filesusr.com/ugd/2a9ad2_d9ca4a93858348a6815a9c659fd41665.pdf?index=trueIn PDF document text
- http://ganusigesu.rf.gd/lovofaxiwumo.pdfIn PDF document text
- https://484a0fbd-04e0-416f-b335-41eb3f66808b.filesusr.com/ugd/228afb_253dba6692224638b84573eca47a79c8.pdf?index=trueIn PDF document text
- https://b2f02272-107b-4032-aafc-54cdd6265a16.filesusr.com/ugd/6cf392_8cd4930dd739409b85facf38bfefd5fc.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_off0000eff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF5 | 5452 bytes |
SHA-256: 0df323dd3dc4a9d2e90b0afa5e46c731c70652e07a08f22e13a52a5a73193ea2 |
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font_01_sfnt_off00010291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10291 | 11000 bytes |
SHA-256: 309f2bfea39d7c1c40bb9609c32262edd1fdebe8a9ee59c5b0dc7d95f751eaeb |
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