MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of external links, many of which point to disposable hosting or redirector services, suggesting an SEO link farm or phishing campaign. The primary malicious URL identified is https://crophysi.ru/strik?utm_term=nikon+sb+800+battery+pack, which is linked to known malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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=nikon+sb+800+battery+pack In PDF document text
- https://static.s123-cdn-static.com/uploads/4379491/normal_5fe2b29ed5ae1.pdfIn PDF document text
- https://vagafanuwojuxiv.weebly.com/uploads/1/3/0/7/130776749/fafusonikekodawosij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373519/normal_6049bfea2467f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447880/normal_5ffb1e9f1c37e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483623/normal_600d39b342c1f.pdfIn PDF document text
- https://petugaxuw.weebly.com/uploads/1/3/5/3/135397026/9190320.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380411/normal_5fecc544746c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427523/normal_601bd34e4391b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484997/normal_605c1d4643407.pdfIn PDF document text
- https://womazineput.weebly.com/uploads/1/3/4/8/134895737/fogejunirixo-safuf-vijazopugi.pdfIn PDF document text
- https://cdn.sqhk.co/pezolaje/6Agjhe1/74648471956.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465914/normal_602cd686ae46a.pdfIn PDF document text
- https://govovoladadivaz.weebly.com/uploads/1/3/5/3/135304945/6029933.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366366/normal_6045bcbe674d5.pdfIn PDF document text
- http://kugoramex.iblogger.org/learning_curve_bold_font.pdfIn PDF document text
- https://cdn.sqhk.co/podoxato/QbQxgen/14922831743.pdfIn PDF document text
- https://xeruzorajudobux.weebly.com/uploads/1/3/4/6/134605969/0023db5efb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384307/normal_5fcef5b686461.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402501/normal_6067a1cbe97e1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jorawifisoxip.rf.gd/what_are_the_44_sounds.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_off00012101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12101 | 5508 bytes |
SHA-256: bfad0bffaed5356860394a92867e6a7576b7f1684ebc98a4be4d73c58bbb47a3 |
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font_01_sfnt_off000133d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133D4 | 23128 bytes |
SHA-256: f0e2febb68fa5ca059eeaa806119cd330f7ea2b1e838d02420f6c776547a8a55 |
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