MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to redirectors and SEO farms, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' strongly suggest this. The ClamAV detection and ML classifier output further support the malicious classification. The document body, though heavily obfuscated, contains metadata related to 'Taxa o energia solar', aligning with the lure.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://lozipotod.ru/strik?utm_term=taxa%25C3%25A7%25C3%25A3o+energia+solar PDF link annotation
- https://cdn-cms.f-static.net/uploads/4475194/normal_606d63e4ad0b5.pdfIn PDF document text
- https://nemelodanunoju.weebly.com/uploads/1/3/0/8/130874480/ad9142bba95e.pdfIn PDF document text
- https://dipibuwedaji.weebly.com/uploads/1/3/5/2/135293441/gajaraxawomilo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402486/normal_5feefc9286207.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449603/normal_600a28fb42299.pdfIn PDF document text
- https://debivozujorebol.weebly.com/uploads/1/3/0/8/130813616/mogalizikulenawe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426088/normal_6031933e6416a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492278/normal_5fce88a41f00b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402252/normal_603c083cf38d1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419003/normal_5ff90adfb2f4d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4505363/normal_5ff852b695ce2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/davubewu/7148920033.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/zobijiwavuduput.pdfIn PDF document text
- https://s3.amazonaws.com/buganabowumujef/educating_psyche_ielts_reading_answer.pdfIn PDF document text
- https://s3.amazonaws.com/pisik/pirokover.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/72694103034.pdfIn PDF document text
- https://s3.amazonaws.com/vukumesoj/26087961302.pdfIn PDF document text
- https://s3.amazonaws.com/posufij/du_b._ed_entrance_syllabus.pdfIn PDF document text
- https://s3.amazonaws.com/jajuzasalikirut/alabama_shakes_sound_and_color_zip.pdfIn PDF document text
- https://s3.amazonaws.com/natewared/tascam_2488_neo_specs.pdfIn PDF document text
- https://s3.amazonaws.com/gogoxowiniza/mastery_robert_greene_amazon_uk.pdfIn PDF document text
- https://s3.amazonaws.com/tikofaketonub/27351928610.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA9 | 5076 bytes |
SHA-256: 0516d5b623dd46aa3d68fb4430d99516bc015491440087a3f58528e9bee335a4 |
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font_01_sfnt_off0000ff51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF51 | 13072 bytes |
SHA-256: ae2e1ba1a4a3f00d7b5fc5e0bba98c370f56902ae4b415d8d56de443c72cb8d8 |
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font_02_sfnt_off00012766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12766 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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