MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded links, many of which point to disposable hosting services, suggesting a link farm designed to distribute traffic or host malicious content. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure, confirming malicious intent. The ClamAV detection and ML classifier further support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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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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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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://crophysi.ru/strik?utm_term=ruger+sr9+vs+sr9c+dimensions In PDF document text
- https://juvinegedixipa.weebly.com/uploads/1/3/1/6/131637649/baraxexibexibako.pdfIn PDF document text
- https://gudeworidive.weebly.com/uploads/1/3/4/7/134767917/pemebitapirige.pdfIn PDF document text
- https://sifobidegi.weebly.com/uploads/1/3/0/8/130874382/863f0e10a3.pdfIn PDF document text
- https://cdn.sqhk.co/nowegizin/gibruha/fitovawobumitikefepuv.pdfIn PDF document text
- https://buvefejam.weebly.com/uploads/1/3/1/4/131453018/lulikoturiwome.pdfIn PDF document text
- https://cdn.sqhk.co/peposusuwi/eYrgHMS/8_ball_pool_cheats_ios_2019.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467043/normal_60158b048661a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392649/normal_5fd76ce6810e2.pdfIn PDF document text
- https://cdn.sqhk.co/pubodegosog/ymjbB31/majogofuzukizibifedebul.pdfIn PDF document text
- https://cdn.sqhk.co/xutujipux/ijgjDha/14124977582.pdfIn PDF document text
- https://zivotawab.weebly.com/uploads/1/3/4/5/134576919/b9d49ce6039f69.pdfIn PDF document text
- https://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/2383018.pdfIn PDF document text
- https://namekabesomi.weebly.com/uploads/1/3/4/6/134668803/powosu_wifedibifa.pdfIn PDF document text
- https://cdn.sqhk.co/nigalasiline/ioeMAaf/tegejopiputorixigegabum.pdfIn PDF document text
- https://saxipapes.weebly.com/uploads/1/3/0/7/130738636/mikekat-zifoxiko-sekaw-kazoboramin.pdfIn PDF document text
- https://cdn.sqhk.co/sajunabinume/iegdjiO/jijiwepale.pdfIn PDF document text
- https://fexifetonazez.weebly.com/uploads/1/3/4/4/134492485/a4ed98a71.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wixamupelinere/62043516151.pdfIn PDF document text
- https://s3.amazonaws.com/ximupuv/dotetokul.pdfIn PDF document text
- https://s3.amazonaws.com/mogipegi/physical_science_grade_10_november_2018_memorandum.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_off00013667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13667 | 5240 bytes |
SHA-256: 61879c63b6b1ea5ec2484305b19f89d38d4661e685be37065858089a8a0d059b |
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font_01_sfnt_off00014837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14837 | 11652 bytes |
SHA-256: 5dded64ae000a070ee7fb06394d39ff7259862109aae99532b5360cb62867d6e |
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