MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier, indicating a high likelihood of malicious intent. It contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure. The presence of a link farm suggests an attempt to distribute malware or conduct phishing attacks. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 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/strik?utm_term=ascii+numbers+binary In PDF document text
- https://nemaxololele.weebly.com/uploads/1/3/5/3/135304154/pawanadezapazoja.pdfIn PDF document text
- https://cdn.sqhk.co/ponajadu/b7mgjhe/kajajozoka.pdfIn PDF document text
- http://freehookup.xyz/25502810065k8sd.pdfIn PDF document text
- https://biziliwedurukax.weebly.com/uploads/1/3/4/8/134889104/dimidizutoxuko.pdfIn PDF document text
- https://jarosebat.weebly.com/uploads/1/3/4/6/134695718/fejobe-kasalex.pdfIn PDF document text
- https://cdn.sqhk.co/dudugetogi/zhfVgjA/ez4ence_piano_sheet_music.pdfIn PDF document text
- https://cdn.sqhk.co/dodazija/Cynhcjh/repost_for_instagram_app_free.pdfIn PDF document text
- https://cdn.sqhk.co/busudijul/AXJAihG/my_baby_princess_royal_care.pdfIn PDF document text
- https://cdn.sqhk.co/sewoliwadumi/ibicgew/happier_living_jobs.pdfIn PDF document text
- https://toxafowusolele.weebly.com/uploads/1/3/2/8/132815148/78272.pdfIn PDF document text
- https://rasazumeg.weebly.com/uploads/1/3/1/4/131454762/jirimupi.pdfIn PDF document text
- http://4338bacchus.com/tisafugifowapunabe9vmwm.pdfIn PDF document text
- https://xiwabuba.weebly.com/uploads/1/3/0/8/130813639/zavenubaza.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xijuxosisomuna/pirates_of_caribbean_5_movie_moviescounter.pdfIn PDF document text
- https://9c789f27-b70c-4c9d-9e83-211ee8f99b38.filesusr.com/ugd/bdeb4c_13e13039b1b54735b517570678486e0d.pdf?index=trueIn PDF document text
- https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_3a8d4f54e235443b848477496a077f80.pdf?index=trueIn PDF document text
- https://e192e36c-395d-4660-9df6-aa7aed00c30a.filesusr.com/ugd/3aee12_f827138ff1194d2db1d139a436e80b7e.pdf?index=trueIn PDF document text
- https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_3fc03a332d5a46b29c74ce627bc95440.pdf?index=trueIn PDF document text
- https://327bbe42-9aa5-4ca0-80e5-6c9857058a26.filesusr.com/ugd/2b870b_f0912c8bf1704d81b7888c1fa518e347.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/desekusoxi/wowabitomimedijoju.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_off0000d4ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EE | 5144 bytes |
SHA-256: bc77b1a5c5c86be69739de1154ef96a9c62052df04183974603eb3c077e39883 |
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font_01_sfnt_off0000e65d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65D | 22024 bytes |
SHA-256: 802436129ede538325646b3f8d0130085cd3bb5e24cae1658b1837fa58e4a99d |
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