MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document body is heavily obfuscated, but the presence of numerous links to disposable hosting domains suggests a phishing or malware distribution attempt. No scripts were extracted from this sample, but the overall structure and link analysis point towards a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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=change+button+background+color+android+java In PDF document text
- http://misujupino.getenjoyment.net/harvard_business_review_strategy.pdfIn PDF document text
- http://tisimewifexumi.iblogger.org/56256246576.pdfIn PDF document text
- https://cdn.sqhk.co/fiseguvugele/ia7algj/chess_game_download_for_windows_10_filehippo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475728/normal_6021d16858ed1.pdfIn PDF document text
- https://cdn.sqhk.co/luwojafewu/jZRf6Un/airfix_dogfighter_chomikuj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489412/normal_604f0884c243b.pdfIn PDF document text
- https://fekodajitor.weebly.com/uploads/1/3/0/8/130874258/578965c237.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4527902/normal_5fed1075510b1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379969/normal_5fcc5ea57b318.pdfIn PDF document text
- https://cdn.sqhk.co/veletafi/sVhche0/within_movie_2016_synopsis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453885/normal_5fdbdc6cef09d.pdfIn PDF document text
- http://gakagebir.mypressonline.com/lg_ac_error_code_ch_54.pdfIn PDF document text
- http://wefilevazobakeb.mypressonline.com/guvikufonejirikeso.pdfIn PDF document text
- http://bokubewere.22web.org/tax_form_non_cash_charitable_contributions.pdfIn PDF document text
- https://zegazofegu.weebly.com/uploads/1/3/5/2/135296009/zujepebavaru.pdfIn PDF document text
- http://lidagejelotodu.22web.org/gnar_top_build_guide.pdfIn PDF document text
- https://zuxorubijif.weebly.com/uploads/1/3/2/6/132695980/815fe2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kedisijusa.onlinewebshop.net/kojot.pdfIn PDF document text
- https://3568c1c9-c281-4b9a-9ea9-d5d291e0176b.filesusr.com/ugd/e5d8db_6ee79d397652466399df9f04b57fcb90.pdf?index=trueIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_8b70bf8e619c4ceaad28ce42d4d1f263.pdf?index=trueIn PDF document text
- http://bidexegope.epizy.com/necromancy_spellbook.pdfIn PDF document text
- https://fb413987-6e77-4bf1-aaa6-e97eb550fbee.filesusr.com/ugd/108936_bba52bcd8e9c4b148a8dd574653bbbe6.pdf?index=trueIn PDF document text
- https://3fb740b9-71d8-4183-8edb-de11b68c0a29.filesusr.com/ugd/1fbf8b_3c79891fad5648bea61dacd93a865656.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_off0000df3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF3F | 5268 bytes |
SHA-256: d033d67ccb3b44182c500a4d41c2563b00fd88907a8f73fd1e79c8bf4b80bd98 |
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font_01_sfnt_off0000f12d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12D | 10660 bytes |
SHA-256: ffd5984398ba3cca1f1622a87d80dae411887388f908c572164613216eb4e81e |
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