MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a significant number of embedded links, with many pointing to external PDF files hosted on various platforms. One of the embedded links, 'https://crophysi.ru/award?keyword=states+of+matter+worksheet+pdf+5th+grade', is identified as a known malicious redirector. The presence of a large link farm and a malicious redirector suggests an attempt to manipulate search engine results or to distribute malicious content, aligning with phishing and exploitation tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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=states+of+matter+worksheet+pdf+5th+grade In PDF document text
- https://pekesasopalono.weebly.com/uploads/1/3/4/5/134505129/duwisu_fowip.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381104/normal_605a019a7fa1e.pdfIn PDF document text
- https://tuzuxomewe.weebly.com/uploads/1/3/4/5/134527180/91144325.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470972/normal_606602d137d89.pdfIn PDF document text
- https://cdn.sqhk.co/kidurukazag/igq2heG/59721189956.pdfIn PDF document text
- https://folenepawesig.weebly.com/uploads/1/3/2/6/132680852/52ff00317.pdfIn PDF document text
- https://cdn.sqhk.co/vomikigiw/hgRzhj3/zitavikumodino.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469104/normal_60345095ea7c1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412570/normal_604029b390cc8.pdfIn PDF document text
- https://cdn.sqhk.co/moxoxitij/XjcuybA/53875924839.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459636/normal_6013dbfcb7f42.pdfIn PDF document text
- https://terodovob.weebly.com/uploads/1/3/0/7/130776228/gutufoja_sovivimuna_xodakebixabedur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://47a25507-5c4f-4e73-9b7c-0c49514c8174.filesusr.com/ugd/e00bd3_4caadb7f92f744f0837e3591cc332756.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a980c70c-2454-435a-bd32-f7152d3c77e9/a_series_of_unfortunate_events_book_5_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8dcfabc2-4b10-4b46-9f42-012da51b7576/the_bfg_full_movie_1989.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b78c1546-44bd-4d03-9e9f-364110ab9c63/walking_dead_comic_book_issue_100.pdfIn PDF document text
- https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_3676ba954a2f4e3bb875db9fa40f903a.pdf?index=trueIn PDF document text
- https://de2ee6d5-caaa-4265-b15c-40100ab77d99.filesusr.com/ugd/d43733_2f79efa068fc41eb9c0c8ce26d6892b4.pdf?index=trueIn PDF document text
- https://4d3f6715-1114-433d-a4b7-45a5e22e3858.filesusr.com/ugd/ce86b4_5efcdcf97a1c417a9ced529a1f81ac86.pdf?index=trueIn PDF document text
- https://0dea665b-aaaa-42f3-a52c-f86f0fd1efa2.filesusr.com/ugd/8b9728_e8604e1fd7cc4e3a8d44913bb03366bb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9c902708-39cd-4960-873d-44e405e29b3b/how_to_set_up_voicemail_on_panasonic_kx-dt343.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45a4b991-90a8-4287-a8a8-8ab83bc13943/reliable_sources_of_health_information_brainly.pdfIn PDF document text
- https://cfecb619-c0f5-418d-ae9d-b1147643389f.filesusr.com/ugd/4cd51e_593aa11599904cada010b5e574a3c47a.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_off0000ea86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA86 | 5808 bytes |
SHA-256: 4b9d11c01fe70678284e144c4fd861c8409d8b1511acfce8308042f3aad307d9 |
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font_01_sfnt_off0000fe31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE31 | 2536 bytes |
SHA-256: 7a1296bf1b5c0c251319c28a5b5f8740fd50036ae9d78573f598699f97e0a7fe |
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font_02_sfnt_off00010912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10912 | 11652 bytes |
SHA-256: f54b10a57e96b8b1dfe50b14b045f57421c757f95664d1caa6f8577b49ca676c |
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