MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains a significant number of embedded URLs, many pointing to disposable hosting, which is characteristic of a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt.
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://crophysi.ru/award?keyword=balanced+scorecard+analysis+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4470228/normal_5fda57cc70bdb.pdfIn PDF document text
- https://cdn.sqhk.co/xuxozowaki/cIbijgj/craftmaster_custom_pools_33411.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460266/normal_5fcf9e0d069ef.pdfIn PDF document text
- https://cdn.sqhk.co/giganopof/2iVca1W/best_buy_tv_deals.pdfIn PDF document text
- https://cdn.sqhk.co/dexujagafir/KnPfGia/louis_jadot_pouilly_fuisse_tech_sheet.pdfIn PDF document text
- https://xemegejimeje.weebly.com/uploads/1/3/1/6/131636808/1908599.pdfIn PDF document text
- https://cdn.sqhk.co/wazafanez/aBfjgjj/ea_sports_ufc_apk_obb_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452862/normal_5ff14ab266ec9.pdfIn PDF document text
- https://jozevupipe.weebly.com/uploads/1/3/5/3/135346753/pulepo.pdfIn PDF document text
- https://cdn.sqhk.co/mirofifuba/ikjjgg5/cod_cold_war_release_date_xbox_series_x.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://05282879-aed3-4f16-ac14-d534add4d4bd.filesusr.com/ugd/0f8b7c_6f4a924622d3428e9d518d903ae2aa6e.pdf?index=trueIn PDF document text
- https://c3a7a64c-5591-430b-94d7-c2eadfdf3523.filesusr.com/ugd/966478_299658943a1547629dff1f9686dc3382.pdf?index=trueIn PDF document text
- https://0e9c393c-9feb-4465-ae9d-4486bea7a644.filesusr.com/ugd/4b68be_31cf0420677b406aa88b1e92987c06e7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tonemakopinibem/trial_balance_sheet_proforma.pdfIn PDF document text
- https://s3.amazonaws.com/palevijuj/54661845946.pdfIn PDF document text
- https://30cc9e9c-6145-4029-bfdc-d0561bdb3a10.filesusr.com/ugd/0dcf4b_560a578ed8fc422898d13658df7af203.pdf?index=trueIn PDF document text
- https://7f1888b6-cdab-4603-9914-1cf81a8b29aa.filesusr.com/ugd/6846fe_6a038c574b5c4e8482f45e78f6fee57e.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016ff8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FF8 | 5008 bytes |
SHA-256: b1212753e60cd9e4cb21626acaa5a4721194334f254568e7aedfca0f0cbe3f09 |
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font_01_sfnt_off00018101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18101 | 11856 bytes |
SHA-256: 76631abec7e784eb6e7a8d0c64dff49db2f765da25451c4c75c68f94740134a2 |
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font_02_sfnt_off0001a8db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A8DB | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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