MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it links to known malicious redirector infrastructure, specifically identified as a phishing lure for free downloads. The embedded URL 'https://yafferge.ru/aws?utm_term=asat+test+papers+pdf' is flagged as malicious. While no scripts were explicitly extracted, the PDF structure and malicious link strongly suggest an attempt to redirect the user to a harmful site, likely for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/aws?utm_term=asat+test+papers+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4449004/normal_5fd949ae6615a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372104/normal_5fc325e7e4992.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379231/normal_5ff3bd822a62b.pdfIn PDF document text
- http://suxawid.iblogger.org/bandolino_cambria_platform_booties.pdfIn PDF document text
- http://xavelodezazil.iblogger.org/65548496970.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366401/normal_5fde91f9bb486.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jenesigafepi.epizy.com/sql_injection_tutorial_step_by_step.pdfIn PDF document text
- http://kesajuwigiferu.epizy.com/35718993000.pdfIn PDF document text
- http://sevuvev.epizy.com/format_cd_linux_command_line.pdfIn PDF document text
- https://s3.amazonaws.com/wipotegadodorek/acura_rsx_2006_manual.pdfIn PDF document text
- https://s3.amazonaws.com/sefipa/60154829545.pdfIn PDF document text
- https://s3.amazonaws.com/fibesezati/78717747757.pdfIn PDF document text
- https://s3.amazonaws.com/jazamerijekufol/android_get_wifi_password.pdfIn PDF document text
- https://s3.amazonaws.com/babetafaperaxov/jaani_dushman_movie_full.pdfIn PDF document text
- https://s3.amazonaws.com/rilexazejuzovep/nuvabobum.pdfIn PDF document text
- http://budunasetixap.epizy.com/48798902412.pdfIn PDF document text
- https://s3.amazonaws.com/moduxanakuri/algebra_1_solving_equations_answers.pdfIn PDF document text
- http://felubumasosazi.epizy.com/58969899852.pdfIn PDF document text
- http://badivisixeg.epizy.com/lixuzanimijigifa.pdfIn PDF document text
- https://s3.amazonaws.com/rebomedug/vegumuwagolokakafuteb.pdfIn PDF document text
- https://s3.amazonaws.com/sowirutelevolur/lijos.pdfIn PDF document text
- https://s3.amazonaws.com/jevopemosod/pidifunejogewobuxevunex.pdfIn PDF document text
- https://s3.amazonaws.com/zetituri/79449332425.pdfIn PDF document text
- https://s3.amazonaws.com/wenobagupexekap/gipexifumugofabavibi.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_off0000e2da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2DA | 4992 bytes |
SHA-256: 45273ad5b3ef6150f5818826545180177781a6d6817d8d7080fcd738846e350a |
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font_01_sfnt_off0000f3e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3E4 | 10788 bytes |
SHA-256: 09233afbc14f9bc35b1cb733ff1ae71ef28983c29796fa8bf883f811c5769cf4 |
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