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 0.9993
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://synerhu.ru/pbw?utm_term=plan+de+clases+de+computacion+para+preescolar PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4368486/normal_60b5344253a87.pdfIn PDF document text
- https://bupiwuzisulim.weebly.com/uploads/1/3/0/8/130874125/a4b5e3b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380887/normal_5fd0ffaec2726.pdfIn PDF document text
- https://rajulotopeza.weebly.com/uploads/1/3/4/6/134665566/kudinoxamesefi.pdfIn PDF document text
- https://korijefefaviroj.weebly.com/uploads/1/3/4/5/134506453/7965201.pdfIn PDF document text
- https://popajilosofov.weebly.com/uploads/1/3/0/7/130776408/siguzulidi_warigekujemekun.pdfIn PDF document text
- https://nawiveburejofi.weebly.com/uploads/1/3/1/3/131381882/pejesukadesogatag.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455180/normal_5ff470c37e8c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381962/normal_5ff96858d4579.pdfIn PDF document text
- https://takotowi.weebly.com/uploads/1/3/4/3/134356266/fulibegura_taxujalegiza_wilev.pdfIn PDF document text
- https://dawutika.weebly.com/uploads/1/3/1/4/131407504/1598331.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501214/normal_5fd62edb5be4d.pdfIn PDF document text
- https://monivewuvafa.weebly.com/uploads/1/3/4/0/134096064/8507479.pdfIn PDF document text
- https://butebonej.weebly.com/uploads/1/3/4/6/134640772/6992939.pdfIn PDF document text
- https://vagomonezupu.weebly.com/uploads/1/3/4/4/134403629/rakefuzesabubu.pdfIn PDF document text
- https://fojakejozu.weebly.com/uploads/1/3/2/7/132712415/137ae1a27001.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kiletejude.pbworks.com/f/tebawu.pdfIn PDF document text
- http://siruzosu.pbworks.com/w/file/fetch/144448548/ms_subbulakshmi_sri_venkateswara_suprabhatam_mp3_download.pdfIn PDF document text
- http://rujuboxu.pbworks.com/f/domugawusapadipetu.pdfIn PDF document text
- http://pupowivala.pbworks.com/f/bedejezezukaxigusapija.pdfIn PDF document text
- http://bovojigu.pbworks.com/f/zusetobitasunalejimona.pdfIn PDF document text
- http://sorawako.pbworks.com/w/file/fetch/144450765/ae_jaate_hue_lamho_mp3_song_free_download.pdfIn PDF document text
- http://siruzosu.pbworks.com/f/pdf_cutter_and_joiner_software_free_download.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_off0000e045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE045 | 5220 bytes |
SHA-256: 34e09e5b9394c617f73e151e0b8a08f73b39267afbb16a0e26e97dfce778e2e7 |
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font_01_sfnt_off0000f1f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F0 | 10676 bytes |
SHA-256: 61e7e9a19723691f7dfcda8cd3809de3defd7d8d625c11fd89376d35891f0c76 |
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