MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link and a link farm. The embedded URLs, particularly the one pointing to 'crophysi.ru', are likely part of a phishing or malware distribution scheme. The presence of numerous external PDF links suggests an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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+complete+guide+to+the+toefl+test+listening+ibt+answer+key In PDF document text
- https://mifoxafakefan.weebly.com/uploads/1/3/0/9/130969175/e3815c8ff1a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461216/normal_5fe11e00288c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456376/normal_603c4f63b4c90.pdfIn PDF document text
- https://wovupidej.weebly.com/uploads/1/3/4/6/134687137/movomilavapugufeteze.pdfIn PDF document text
- https://lifexusubanipi.weebly.com/uploads/1/3/4/3/134377686/putosukekox_lusifiga_fidimadupuf.pdfIn PDF document text
- https://wuvotawek.weebly.com/uploads/1/3/4/8/134872633/a59746d4ddd2.pdfIn PDF document text
- https://gusefokujugox.weebly.com/uploads/1/3/4/0/134040973/7190083.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499341/normal_605d3591c24bb.pdfIn PDF document text
- https://sulefufevonabu.weebly.com/uploads/1/3/4/3/134363738/lefumag-turijomazujewuw-zapotedijuvax-luwilidoj.pdfIn PDF document text
- https://marizezibafive.weebly.com/uploads/1/3/4/8/134865590/7479925.pdfIn PDF document text
- https://dinidoleto.weebly.com/uploads/1/3/0/9/130969871/fifurul.pdfIn PDF document text
- https://julubagarod.weebly.com/uploads/1/3/2/6/132695517/wulabazapunogefa.pdfIn PDF document text
- https://lalibirubifo.weebly.com/uploads/1/3/0/8/130873838/8909221.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426549/normal_60143b7c3d090.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/lulelepese/inbound_certification_hubspot_answers.pdfIn PDF document text
- https://s3.amazonaws.com/tinezedu/59219445192.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a8b3ad8-180f-4e69-9730-6dd7ea89a0d7/15078637140.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc0d62da-9819-4ece-8118-d955daa27d81/gatixovarukos.pdfIn PDF document text
- https://s3.amazonaws.com/pasawe/pegosigisabesuxakelulodi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74d5f4da-98ac-4e6e-8fe7-472fddb4fca4/como_agua_para_chocolate_pelcula_completa_pelisplus.pdfIn PDF document text
- https://s3.amazonaws.com/solonebosop/speed_queen_tumble_dryer_for_sale.pdfIn PDF document text
- https://s3.amazonaws.com/zozofufulolig/1160740402.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/baa5588d-9efd-41d5-a02f-e7ff96da2350/98876252803.pdfIn PDF document text
- https://s3.amazonaws.com/nuxomigo/juvakiruz.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_off0000ffe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE7 | 5916 bytes |
SHA-256: a6266051bb36013b77ca6ddf973ac6c96cca4b09c1ac7cb084081b7b5c736dfa |
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font_01_sfnt_off000113f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F6 | 11020 bytes |
SHA-256: 5c6b059a03cbb0da301ff94bee6034c45b54622a5d92a5b9b8fe1eb7dba6d6ba |
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