MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains a link farm and an SEO redirector pointing to a malicious URL, suggesting a phishing or malware distribution attempt. The presence of ClamAV detection and ML classification as malicious further supports this. The document's content, though garbled, appears to be a lure for a "cheat sheet" to entice users to click the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://jottigo.ru/strik?utm_term=nosql+injection+cheat+sheet PDF link annotation
- https://lotuvimipel.weebly.com/uploads/1/3/0/7/130739731/1891989.pdfIn PDF document text
- https://tudepaweper.weebly.com/uploads/1/3/4/6/134607512/lolorenud.pdfIn PDF document text
- https://roluwisotem.weebly.com/uploads/1/3/4/3/134368144/xufusetudega_bidadomob_fuzifeposamages_lotuditu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445104/normal_60436dee447be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366343/normal_605a49269bf9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459164/normal_6011d9f31def3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366399/normal_60555cbfe8330.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413980/normal_60462451bf4ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478408/normal_6068c079e5cab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489054/normal_600b201ec202a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412568/normal_606c02fa2edfa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a5daf63a-dfcf-4d0f-84a7-236ef9dad7a9/vibujubabososuxirezeto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88442dc8-2e83-45d0-9374-50055c013c6a/how_does_a_satellite_communicate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d98b6cc-cb5c-42ad-8a06-f6578e709fa7/gaxunuwusolo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13a388cb-7ec9-4811-9fec-9d6c77253156/61245731378.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dacb550-1b49-4559-aaaf-abfbd1a93e04/dopurezurijalif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3422998d-6f91-4e93-bcc5-5843cb0ac681/xukajelo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afa80043-1cf9-4e38-b3bf-95878f87bbc1/18403742623.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45a4af86-1ca6-4140-a458-10346515093d/portfolio_outdoor_lighting_home_depot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/350b93fe-1e2b-4624-9174-1b3798c3afb9/research_methods_for_the_behavioral_sciences_third_edition.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_off000119de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DE | 4960 bytes |
SHA-256: 98a0f4d177a24ff01efe0340056d0416429a10d4821efe717904c015c95d1665 |
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font_01_sfnt_off00012acb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ACB | 11912 bytes |
SHA-256: 7056c0e3b9ec3feb3d3210b1544fb72b2d3b44172fdfa26e3ca304a75490ea31 |
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