MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan distribution attempt. It contains a large number of embedded URLs pointing to external PDF files, many hosted on disposable domains, suggesting a link farm for SEO manipulation or to host further malicious content. One URL, 'https://crophysi.ru/123?utm_term=medaglia+d%2527oro+instant+espresso+powder', is identified as a known malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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/123?utm_term=medaglia+d%2527oro+instant+espresso+powder In PDF document text
- https://static.s123-cdn-static.com/uploads/4404112/normal_5feed2ca744c9.pdfIn PDF document text
- https://cdn.sqhk.co/sexuzoropa/LghpicY/43880894673.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444357/normal_601ed37100172.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427793/normal_6018ac3d939c9.pdfIn PDF document text
- https://lerinaxupol.weebly.com/uploads/1/3/4/6/134662503/6098477.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489057/normal_601a01c380cb6.pdfIn PDF document text
- http://nugekurobeju.iblogger.org/89653378862.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485942/normal_6005869947ae9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414358/normal_5fdeba619e0ec.pdfIn PDF document text
- https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/tawawamafifopis.pdfIn PDF document text
- https://cdn.sqhk.co/miraroki/hgjdSie/69740484800.pdfIn PDF document text
- https://parafobosa.weebly.com/uploads/1/3/1/8/131857791/9f648c041fa9.pdfIn PDF document text
- https://cdn.sqhk.co/zoxemetakol/mjdFLQw/best_elementalist_build_poe.pdfIn PDF document text
- https://cdn.sqhk.co/febowozefu/ihijIJ3/mezenepogedujari.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422894/normal_5fe7ae61031b2.pdfIn PDF document text
- https://gepemizuwawufak.weebly.com/uploads/1/3/4/3/134335313/5ed5c16.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377098/normal_5fdc35cbf1f17.pdfIn PDF document text
- https://dagigokes.weebly.com/uploads/1/3/0/7/130739756/zuzexozidedotinor.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/sisaxu/fisajokemusidifi.pdfIn PDF document text
- http://pajoxewujovero.rf.gd/68239800548.pdfIn PDF document text
- https://s3.amazonaws.com/tizowodifi/battlefield_1_size.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_off00013a63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A63 | 5256 bytes |
SHA-256: 3059d5d88a44a7b608c2be6a59db0c05ecba5fc90662ac87e5bf89c873836288 |
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font_01_sfnt_off00014c75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C75 | 13460 bytes |
SHA-256: 0266d239219fa421dd7ad6643cc629c509dee38e83f7273282739cd97338ded2 |
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