MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file is classified as malicious due to its function as a link farm, directing users to numerous external PDFs. One of the embedded URLs, 'https://yafferge.ru/strik?utm_term=how+to+draw+girl+figure', is identified as a malicious redirector. The ML classifier and ClamAV detection further support the malicious nature of this document, indicating it's likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/strik?utm_term=how+to+draw+girl+figure In PDF document text
- https://bubituzujolumet.weebly.com/uploads/1/3/4/6/134647672/dilokuwiz.pdfIn PDF document text
- https://litapofigiwo.weebly.com/uploads/1/3/5/3/135349015/dajinoti-zutuwitesiz.pdfIn PDF document text
- http://kamini33.ru/vikologoz6ebxd.pdfIn PDF document text
- https://juziwujaxizeze.weebly.com/uploads/1/3/4/6/134685910/pobefuvutanin-vedixexukejab.pdfIn PDF document text
- http://zarabotok.space/7857641567okj96.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e7c02ae7-ba66-49ef-8fe7-d4c265c54a1b.filesusr.com/ugd/bc5701_26c89b95a5bc4b1199bcd8a98feef4d6.pdf?index=trueIn PDF document text
- https://2ea3657d-1c4c-40dd-8491-58aeeb8dc933.filesusr.com/ugd/18a85a_8d1d39ff04ac484aadaff97c34acf0cc.pdf?index=trueIn PDF document text
- https://11ca5eb4-0abe-4d5d-8073-3f36f6088e80.filesusr.com/ugd/8b62d8_ce3e41ecb12343a1b881f67e554f7a6f.pdf?index=trueIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_95046619a40b46eebba67adce0401b86.pdf?index=trueIn PDF document text
- https://4eff3ec4-d147-45d1-be73-876d9e1d0019.filesusr.com/ugd/efb3f0_0170a669d3774e698dac4ca19b5ae8b4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6ab9d8a6-572e-46db-bd9d-aa5d0889f80e/zixesalirireziwuzajivukaf.pdfIn PDF document text
- https://05790d5e-93e9-4545-bcc4-99c37f081c18.filesusr.com/ugd/bff4d5_6ce9e237909e4aa8b83ccbe7d108fd1b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jejulurowev/51829590293.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e8b1407-2581-48a1-b9bc-d7c5af2b089a/tumoxipeduvogi.pdfIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_252f1eea23e149a3a1e7491df0470c3b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/girilifawuxi/ethical_hacker_salary_in_uae.pdfIn PDF document text
- https://bb491b24-4c81-4ccc-8daa-bf1baeb171c2.filesusr.com/ugd/93c935_b4250dbc2c0345daab1d88038e00ce02.pdf?index=trueIn PDF document text
- https://d17f4099-ecc1-42b1-9c73-51521793457c.filesusr.com/ugd/4a2613_2d22e175e30e4b5ebe56f5b40efb59f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/netinuwa/freelancer_pc_game_guide.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_off0000eb8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8E | 4948 bytes |
SHA-256: e050813979ca23318e66ef2fdcef5c2b03b73e21a1d9c8fb1c0b4f1f46758b09 |
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font_01_sfnt_off0000fc86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC86 | 10268 bytes |
SHA-256: cef8d6a173e586267b31c1b82545e83286df87d523f19716da54f1ffa27ad244 |
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