MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, contains text related to a 'spelling bee typing game' and metadata from wkhtmltopdf, indicating it was likely generated to lure users to malicious websites.
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://pistant.ru/pbw?utm_term=spelling+bee+typing+game PDF link annotation
- https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/dad65089.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487424/normal_5ff669084ac29.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447487/normal_6036c5eee0474.pdfIn PDF document text
- https://likixolokezixi.weebly.com/uploads/1/3/0/7/130738950/9c4e0b3e4e28.pdfIn PDF document text
- https://goxejebifebiv.weebly.com/uploads/1/3/2/6/132682819/samexujuwapegare.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455916/normal_601318cf08de8.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4465147/normal_60b4cee0cc862.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4446382/normal_60b5634133efe.pdfIn PDF document text
- https://gadudomarun.weebly.com/uploads/1/3/4/7/134705140/afef6035ceb6be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366982/normal_6027decf52229.pdfIn PDF document text
- https://nimizinimaji.weebly.com/uploads/1/3/4/7/134703428/nezugajud.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454999/normal_5ff9c305af150.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369502/normal_5ff2aecc842a7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366633/normal_5fcf493c7bb1e.pdfIn PDF document text
- https://rukupapafi.weebly.com/uploads/1/3/0/7/130739745/givewu.pdfIn PDF document text
- https://nipawivas.weebly.com/uploads/1/3/2/6/132680981/b4ea993b0f.pdfIn PDF document text
- https://fovezifume.weebly.com/uploads/1/3/0/8/130874198/8ba17ae90f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374185/normal_5ffe42a43f475.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413243/normal_600b20c76730d.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/84e96a23-c88c-4090-8255-78f2ab3acfdd/56653883822.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8add7faf-33ed-497c-9d82-023d7153a815/nafasedegutabazulidili.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d915649-7cf6-427a-8b18-e9807707134a/a_dolls_house_analysis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a5dc80f-426f-41d6-a5b0-f6114119547c/king_kutter_ii_gear_driven_rotary_tiller_4ft.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_off0000e849.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE849 | 5208 bytes |
SHA-256: e51180d9a40d776bc85117290bd76170e5bbbdca42f9127db92701b4e88871f2 |
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font_01_sfnt_off0000f9fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9FA | 10536 bytes |
SHA-256: 28cce7ecea71907f93815d0bf24d17c04089f8014c043fd8d48ff2f6630dbe7e |
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