MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file functions as a link farm, containing numerous embedded URLs. One of these URLs, https://crophysi.ru/strik, is identified as a malicious redirector. The document's structure and the presence of many external links suggest an attempt to lure users to potentially harmful sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/strik?utm_term=the+maze+runner+book+critic+review In PDF document text
- http://jekeluxuto.mywebcommunity.org/netafo.pdfIn PDF document text
- http://igcopyrightverify.com/gumukuw4oj4v.pdfIn PDF document text
- http://mokuduvejevuz.scienceontheweb.net/a_positive_blood_type_diet_food_list.pdfIn PDF document text
- http://strapslap.online/bob_marley_greatest_hits_album_downloaddrr6a.pdfIn PDF document text
- http://nitanupemil.mygamesonline.org/sight_words_sentences_worksheets.pdfIn PDF document text
- http://naturwows.space/ironplanet_wire_addressz4ozw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1c019786-7048-4615-837a-ae53f087c4ae.filesusr.com/ugd/8b4172_82eb8a200120417c86e73b970aac2572.pdf?index=trueIn PDF document text
- https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_f91c836cf68d459092692843659fead9.pdf?index=trueIn PDF document text
- https://e0a971b2-7104-4718-9e5f-4f17d768618f.filesusr.com/ugd/6d43b6_3b32414f9f7b4501b5de7bdac05751d5.pdf?index=trueIn PDF document text
- https://37e0f79d-b0c1-4727-b76d-5b759c81288f.filesusr.com/ugd/9c66ff_a576e6f3381a4de484c007124c6b22ac.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b9141898-6eb8-455c-ab81-0cb8286cb7a9/what_is_aisi_1040_steel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3697ee4-b7b4-4c89-a191-1acfe31755f9/96060382395.pdfIn PDF document text
- https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_ad1d9b376f964f9cba33fe601e40b892.pdf?index=trueIn PDF document text
- https://9610c43f-1b2a-4a8a-b660-75aaf3908198.filesusr.com/ugd/286fb8_f9c66797a2254c74b580ad0c6607758d.pdf?index=trueIn PDF document text
- https://154530d8-637b-49d0-b90a-43bf07a176fb.filesusr.com/ugd/59359a_fd463d66fd1841aeba4e6eb075da961b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/243a8087-e2a0-43b7-a2e3-57206916c0f9/67239951833.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2249c512-4e5d-4d99-9b7b-97e838e6477f/kekiwidorurijaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5261a7e3-914e-46b0-a54e-00ffc5965387/94095292626.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_off0000f00c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00C | 5184 bytes |
SHA-256: 867252001057875155c069d1097ef1fe4ff97ad79b369ed64cc291f56b5a566a |
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font_01_sfnt_off000101a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A0 | 10980 bytes |
SHA-256: abaecf62f05c888f80891102f4ed11f44c2dc1b9dc98f3681cff34bdf68d7e4d |
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