MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of external URIs and a link farm indicates an attempt to redirect users to potentially malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://gimoguvi.ru/aws?utm_term=sat+subject+test+chinese+with+listening PDF link annotation
- https://cdn.sqhk.co/rekubapapup/hjfldjh/drop_him_off_in_spanish.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390381/normal_5fec1afd69dc8.pdfIn PDF document text
- https://cdn.sqhk.co/linaxezo/B43hhhg/sandbox_app_parent_review.pdfIn PDF document text
- https://cdn.sqhk.co/noluxokeruma/jauJE9g/wobosodol.pdfIn PDF document text
- https://cdn.sqhk.co/fokatekox/8DZ09vP/find_hidden_objects_in_pictures.pdfIn PDF document text
- https://cdn.sqhk.co/kimazibo/gjfhep5/latest_viral_video_2020.pdfIn PDF document text
- http://salimom.mygamesonline.org/advocate_gatos_bula.pdfIn PDF document text
- http://rijewomel.scienceontheweb.net/agisoft_manual_espaol.pdfIn PDF document text
- https://cdn.sqhk.co/suzagofi/hUZ8Mhb/36945655790.pdfIn PDF document text
- http://dabosesavedevet.medianewsonline.com/billie_jean_guitar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530990/normal_6009e2e679af4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388177/normal_6010e31d73987.pdfIn PDF document text
- https://cdn.sqhk.co/kupulifip/iilgc7a/gwent_the_witcher_card_game_android_release_date.pdfIn PDF document text
- http://nageramuvepom.mywebcommunity.org/what_fluid_do_i_use_in_my_allison_transmission.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413835/normal_5fd2eba24870b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://93bb5028-8b17-4c47-8ab9-f46a024b0e86.filesusr.com/ugd/041612_e3922d44874b499f92a6445636a5076b.pdf?index=trueIn PDF document text
- http://bumejefivoxigo.myartsonline.com/pinetoxesinodijibedowofi.pdfIn PDF document text
- http://dipagepe.atwebpages.com/tetinonavasujenidudoro.pdfIn PDF document text
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_7a95ae985cce471295333d781caba9fd.pdf?index=trueIn PDF document text
- http://fixidil.atwebpages.com/tebowefotumolejikunosima.pdfIn PDF document text
- http://rosajeku.myartsonline.com/are_schwinn_spin_bikes_good.pdfIn PDF document text
- http://jowosos.myartsonline.com/74123112741.pdfIn PDF document text
- https://856cb5e6-6c81-45ce-9604-b57907a15cd2.filesusr.com/ugd/cc3ca9_020e15522f8343eabe57b3d0c166b44f.pdf?index=trueIn PDF document text
- https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_4886f65d50724d49840e65b5956ca11e.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_off00010666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10666 | 5376 bytes |
SHA-256: 66d1eaf7d71cce06ac31d5a85181008a6d0650fdb67058c349f7b4336b27aeec |
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font_01_sfnt_off000118c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C4 | 11464 bytes |
SHA-256: 20732ca597c8ce47e9d6bb21069634097f09c1a7d3e5f47a6f032a224ec71fcf |
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