MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a critical heuristic firing for brand-impersonation credential phishing, specifically impersonating Microsoft. The document body is heavily obfuscated, but the presence of numerous external links, including one to a Weebly subdomain, suggests a phishing or malicious redirection attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://nanupubixo.weebly.com/uploads/1/3/0/9/130969545/e4573d0998d8.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://bologen.ru/wix?keyword=how+mla+format+a+worksheet+answers PDF link annotation
- https://nanupubixo.weebly.com/uploads/1/3/0/9/130969545/e4573d0998d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380078/normal_602ebc26bb738.pdfIn PDF document text
- https://cdn.sqhk.co/sokodajep/gemjhif/53121139015.pdfIn PDF document text
- https://cdn.sqhk.co/sarokuneti/cEgfmhc/yandex_disk_linux_sync.pdfIn PDF document text
- https://fowidejufato.weebly.com/uploads/1/3/4/5/134582967/sozavozamoza.pdfIn PDF document text
- https://cdn.sqhk.co/votawusebak/iadulhg/2020_ford_mustang_shelby_gt500_super_snake_price.pdfIn PDF document text
- https://cdn.sqhk.co/bejadelu/gMhbzBS/ncert_7th_class_science_book_solutions.pdfIn PDF document text
- https://cdn.sqhk.co/loganidob/fhjQhdg/zojowulapigip.pdfIn PDF document text
- https://cdn.sqhk.co/kugefiruxat/iagjjdM/rudaxet.pdfIn PDF document text
- https://cdn.sqhk.co/dokadajij/ejfjahb/gozurorufufudodavex.pdfIn PDF document text
- https://cdn.sqhk.co/feneradebeza/R1ntQ5F/home_pony_game.pdfIn PDF document text
- https://cdn.sqhk.co/zivuzigup/119vY8w/xozuxapajet.pdfIn PDF document text
- https://cdn.sqhk.co/mitejapeki/lgiLqhd/begefosetedotev.pdfIn PDF document text
- https://zugufirit.weebly.com/uploads/1/3/1/1/131163535/dosox.pdfIn PDF document text
- https://cdn.sqhk.co/buxoxurobewi/arEdDXr/castle_down_game_of_siegers.pdfIn PDF document text
- https://cdn.sqhk.co/dutaxato/hiNOhhE/vofanapimurivezataw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zafokogilose.rf.gd/amscope_microscope_camera_software.pdfIn PDF document text
- http://xisapedugifado.epizy.com/coupon_template_psd_free.pdfIn PDF document text
- http://kufekamulez.rf.gd/jikikedakema.pdfIn PDF document text
- http://vonubopoz.rf.gd/what_is_organizational_structure_in_healthcare.pdfIn PDF document text
- http://gedamodeges.epizy.com/pandas_cheat_sheet_jupyter_notebook.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_off00011e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7C | 5124 bytes |
SHA-256: 90bdd6170dc8eb5a8231f9373c73ab3833c23f58bec00b4b6298523edf3b6df3 |
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font_01_sfnt_off00012fca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FCA | 10364 bytes |
SHA-256: dbd21b4b8e860427545f5217a636a2fd3b59b0ec4dad1dd5a0cbeefb378a3d7c |
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