MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified 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 it functions as a link farm. The primary URL, 'https://nipisod.ru/strik?utm_term=hp+photosmart+c7200+manual', is likely used to redirect users to potentially harmful content or phishing sites. No scripts were extracted, but the PDF structure and numerous external links point towards a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://nipisod.ru/strik?utm_term=hp+photosmart+c7200+manual PDF link annotation
- https://static.s123-cdn-static.com/uploads/4388420/normal_5fefc155984e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377379/normal_600f8f97e0a3a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410459/normal_5feff5b502849.pdfIn PDF document text
- https://cdn.sqhk.co/reravarev/zhihbid/kusubiwuguvixedireji.pdfIn PDF document text
- https://lopatitegadusi.weebly.com/uploads/1/3/5/3/135311006/6820036.pdfIn PDF document text
- https://zogewuvenofo.weebly.com/uploads/1/3/2/6/132683334/b1eb1c98312ca69.pdfIn PDF document text
- https://cdn.sqhk.co/mogizilo/jjifii3/28307992432.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383445/normal_6036787f1747b.pdfIn PDF document text
- https://cdn.sqhk.co/pozusonitid/jUidjax/56529253827.pdfIn PDF document text
- https://cdn.sqhk.co/nutewakizi/jdJhgOc/bloodsport_original_movie_poster.pdfIn PDF document text
- https://mewotetinud.weebly.com/uploads/1/3/5/9/135956813/f8330503df63.pdfIn PDF document text
- https://fubomagasikeka.weebly.com/uploads/1/3/4/4/134474343/pamut_mugulopo_bizutodesube_nuzukakoraj.pdfIn PDF document text
- https://vifapuxup.weebly.com/uploads/1/3/4/0/134018045/51d4a7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454161/normal_5fff988da6b9e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386080/normal_6019bd98e8f8a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449769/normal_5fc71cdca901f.pdfIn PDF document text
- https://cdn.sqhk.co/zufuxirap/Z5K0eug/fobamuzejojowaxabubuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375194/normal_60226f81a5ade.pdfIn PDF document text
- https://serabonileraso.weebly.com/uploads/1/3/4/4/134444783/4173541.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368989/normal_5fca4c885d4f2.pdfIn PDF document text
- https://cdn.sqhk.co/vavewiren/jazhfhj/377371315.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B9 | 5488 bytes |
SHA-256: 1ffb53e0e0de1c37ab7cb0afb3d5407e0a6655a3c43b8785565fb3ddf1c74094 |
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font_01_sfnt_off0000fc3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3A | 10604 bytes |
SHA-256: 578e73be6472fea1de5913ded35f1e8ddbb16619e29f9a681319e98f00f91c85 |
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font_02_sfnt_off000120d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D3 | 16388 bytes |
SHA-256: a4f616c8ed03231f927c8f6725ddfb6aed79ba1e9c0c9257d690ec40f184d4cc |
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