MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating that at least one link points to known malicious redirector infrastructure. The document's structure and the presence of many distinct hosts suggest it functions as a link farm designed to lead users to potentially harmful content. No scripts were extracted, but the overall pattern strongly indicates a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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 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/123?utm_term=adding+subtracting+fractions+word+problems+worksheet In PDF document text
- https://cdn-cms.f-static.net/uploads/4366308/normal_6058af0818b4b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467017/normal_5fdd33a57f1b5.pdfIn PDF document text
- http://samelike.site/91069530683lmapy.pdfIn PDF document text
- http://tomandbxof.site/descargar_navy_field_2_pcvuq20.pdfIn PDF document text
- http://mnogoturov.com/after_world_war_ii_the_automobile0iwkh.pdfIn PDF document text
- https://vajojesorenum.weebly.com/uploads/1/3/0/9/130969616/099d9cd2e6.pdfIn PDF document text
- http://bcpzonasegur4viabcp.com/78431511830rc4yw.pdfIn PDF document text
- http://mosdendy.store/457704903804oavk.pdfIn PDF document text
- http://secureappeal.com/why_is_my_doss_soundbox_not_connecting61194.pdfIn PDF document text
- https://likuwiwekadu.weebly.com/uploads/1/3/1/8/131857000/kutefose-sewifesad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450731/normal_5febfbd8a1edb.pdfIn PDF document text
- http://milanbeachs.space/how_to_clean_wolf_oven_grateskalp4.pdfIn PDF document text
- http://kprovk.xyz/jomomupaxetewp480.pdfIn PDF document text
- http://myshoes.moscow/11563988220d0thu.pdfIn PDF document text
- https://vafopizinenited.weebly.com/uploads/1/3/4/4/134480139/kuxuwibar-zefupovifuzun-kiresixasax.pdfIn PDF document text
- https://nukusuruv.weebly.com/uploads/1/3/1/8/131857442/8614610.pdfIn PDF document text
- http://avtoshkola-region26.ru/side_by_side_third_edition_book_1_audiovaoin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500878/normal_602f9d8000ef3.pdfIn PDF document text
- http://portkamesto.site/device_care_apk_downloadz331p.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c01188fd-d8af-4b86-846b-090f7ecd58d8.filesusr.com/ugd/9058e5_8ab8007eed3443f49ce1a8c0a272e8a6.pdf?index=trueIn PDF document text
- https://11ca5eb4-0abe-4d5d-8073-3f36f6088e80.filesusr.com/ugd/8b62d8_e6f604e351e24ecdab6c578d617056b1.pdf?index=trueIn 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_off0000dc5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5C | 5856 bytes |
SHA-256: 7220bf0163222a096e2fdacced63fe85974b60d21f574526f5a5f954dd4d7838 |
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font_01_sfnt_off0000f032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF032 | 10488 bytes |
SHA-256: 913327fecd70d21e909a3b35d1968e562176f35f40aa637295a075e8380d942b |
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