MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including a critical redirector link to 'https://yafferge.ru/award?keyword=rumput+brachiaria+mutica+pdf', suggesting a phishing or scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document designed to redirect users to potentially harmful sites.
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://yafferge.ru/award?keyword=rumput+brachiaria+mutica+pdf In PDF document text
- http://sosuziba.mypressonline.com/80300500616.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488807/normal_601f2d4ca4313.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376598/normal_60151058183eb.pdfIn PDF document text
- https://domisupufiz.weebly.com/uploads/1/3/5/3/135316273/kezepudazu-sasijo.pdfIn PDF document text
- http://wapividazofar.scienceontheweb.net/furobosipagoludo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446019/normal_603d0c2973c70.pdfIn PDF document text
- https://futisukafasuku.weebly.com/uploads/1/3/5/3/135345320/b79bfb0e9576.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://88bec3ce-9cdd-4818-a95b-bcf8ac49d1e7.filesusr.com/ugd/72df48_9e8a1b8046094f528de6e4e9b75dd7c7.pdf?index=trueIn PDF document text
- https://f3e0ee59-b309-4736-aefa-1db4f942b0be.filesusr.com/ugd/e87662_7e7a80ad92854b2cbe8164d7bc7dfbcd.pdf?index=trueIn PDF document text
- https://fd7a53fe-11c1-4e60-83ad-ac1bb997268f.filesusr.com/ugd/5cf23b_f623d0cfee134848899760a8eee5d2da.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tidigudetefumof/visowaxa.pdfIn PDF document text
- https://43dda2ad-fadc-418c-a2d5-4b96cca2ed60.filesusr.com/ugd/6eca9c_984bea265a474a0bb727cf162caedc4a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sitok/82340847965.pdfIn PDF document text
- https://101c3d73-5e22-4da1-a203-a3a2a794ce88.filesusr.com/ugd/69a512_a822493aaaad4074a83d79e51a822c58.pdf?index=trueIn PDF document text
- https://cd9ed9ec-87d1-42be-9198-0b2de6c1db4d.filesusr.com/ugd/158fb9_153324f5102640fe8f5be6aa20e4bc9a.pdf?index=trueIn PDF document text
- https://f78a7b13-e75c-4ddc-9f3c-03cd83736f6c.filesusr.com/ugd/90c53f_6d0ab5ffbd844cfe951eede3b9f28bf7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zoluwivebiro/dimidevok.pdfIn PDF document text
- https://2eeb51df-07ba-4372-80d9-1ef4646fc7f7.filesusr.com/ugd/6af210_3a771366381a4346b0cea5bfbd8f39f1.pdf?index=trueIn PDF document text
- https://c534e673-b245-4a6d-8787-855fe96db707.filesusr.com/ugd/e19215_0be3689a94674c81bacd7c08ff8f5870.pdf?index=trueIn PDF document text
- http://lamupimifuban.onlinewebshop.net/87541984626.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_off0000fad5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD5 | 5332 bytes |
SHA-256: 4ec7121907d1472cdecc2a39164bcb626ee4273b24d78e45287ddd39171c902e |
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font_01_sfnt_off00010cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC6 | 10476 bytes |
SHA-256: 9a83a5e7045f3d38f094add3071c78f2290ca12b13c2d4a35a6402166c64a324 |
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