MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to disposable hosting services, indicating a link farm designed to distribute malicious content. The 'SE_BRAND_CREDENTIAL_PHISH' heuristic specifically identifies an attempt to impersonate Outlook and directs users to a redirector URL, strongly suggesting a credential phishing campaign. The ML classifier also flagged this PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jarubobukifali.weebly.com/uploads/1/3/5/2/135297267/dorozurilazi_jitibutivutar_nilafexez_sediratozixaju.pdf.
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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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External URI info PDF_URIPDF contains an external URL action
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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://druttle.ru/award?keyword=financial+accounting+ledger+pdf PDF link annotation
- https://cdn.sqhk.co/timadupak/gL1V7F3/30363282959.pdfIn PDF document text
- http://pitikudefojeken.getenjoyment.net/pebevakugibupisifixuve.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460473/normal_6060a6b59e1e0.pdfIn PDF document text
- https://jarubobukifali.weebly.com/uploads/1/3/5/2/135297267/dorozurilazi_jitibutivutar_nilafexez_sediratozixaju.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453889/normal_5fdf422fa87b0.pdfIn PDF document text
- https://takaweso.weebly.com/uploads/1/3/2/3/132302848/nipitinubel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387417/normal_5fe0f3dd12987.pdfIn PDF document text
- http://watepavamosem.sportsontheweb.net/29574348545.pdfIn PDF document text
- http://gejulavofanutar.mygamesonline.org/struktur_apbn_2020.pdfIn PDF document text
- https://cdn.sqhk.co/vorebilifi/jk4gg6v/milkman_karlson_iphone.pdfIn PDF document text
- https://cdn.sqhk.co/lesebonun/OHjgjeY/airlines_manager_tycoon_2019_hack_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484805/normal_603e3a81642be.pdfIn PDF document text
- https://cdn.sqhk.co/fovuxugo/ihihYib/30314395947.pdfIn PDF document text
- https://cdn.sqhk.co/dizoketa/ifjchhR/toy_super_smash_bros_apk_uptodown.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d2d87fd5-5f4d-49aa-ab3c-2263ce4b5d22.filesusr.com/ugd/9169d2_e5ac3e0bb7c74bb2a66fa7b6d4bfac3f.pdf?index=trueIn PDF document text
- https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_828c474af6f74f08857a01c18baf38c6.pdf?index=trueIn PDF document text
- http://xiwexuxe.atwebpages.com/lunakubo.pdfIn PDF document text
- https://5dfb2dbd-6c80-4a99-afab-57dcddd938ef.filesusr.com/ugd/79d40d_8e49b9a345f641a182935c9ab13455fb.pdf?index=trueIn PDF document text
- https://ab60d57a-1f92-408f-9079-0b325776b613.filesusr.com/ugd/724fb5_68e899b753c64851ab0dc87bf8bddd5b.pdf?index=trueIn PDF document text
- https://492f55f4-3442-4b37-b17e-39d9f2f0ae8a.filesusr.com/ugd/7dfe85_a9bf65c09d88419281ff3974defe3f2d.pdf?index=trueIn PDF document text
- https://2225f16e-b6a0-48e2-a067-d7e802b71dd4.filesusr.com/ugd/a7ada4_c5d1a5adf7e048d78fa400ba94d9dbda.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_off0000f6b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B2 | 5100 bytes |
SHA-256: 711a5dd8c658e1df35a10d383056aca04845c23d459e0d3fa783c78ee78da825 |
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font_01_sfnt_off0001081f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081F | 10820 bytes |
SHA-256: 834df8f0e4ae8d908e209f3eb488cbed7c344fb48ac9f74ac5abbf040fb57d9f |
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