MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier. It contains a large number of links, many of which point to known malicious redirectors or are hosted on disposable domains, suggesting a link farm or phishing campaign. The document body text, though garbled, includes a search query related to educational materials, which is likely a lure to disguise the malicious intent. The embedded URLs are the primary indicators of compromise, directing users to potentially harmful content.
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://cctraff.ru/123?utm_term=go+math+grade+4+chapter+5+test+pdf In PDF document text
- https://wilowepixamu.weebly.com/uploads/1/3/4/4/134476622/nupaxewojuduvi.pdfIn PDF document text
- https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/tobaxakubagasoz.pdfIn PDF document text
- https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/c5840370.pdfIn PDF document text
- https://gabegolixen.weebly.com/uploads/1/3/4/3/134368455/kidamarokiza.pdfIn PDF document text
- https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/fezenaga-dajedozafod-jikedafetudike-julureje.pdfIn PDF document text
- https://ragivigelogupow.weebly.com/uploads/1/3/4/5/134525503/masigavamun.pdfIn PDF document text
- https://dusexitope.weebly.com/uploads/1/3/4/6/134646398/baziziroguvog-teronekox-lifuxi-najaloka.pdfIn PDF document text
- https://dusexitope.weebly.com/uploads/1/3/4/6/134646398/9944119.pdfIn PDF document text
- https://punekoba.weebly.com/uploads/1/3/4/6/134612552/6175216.pdfIn PDF document text
- https://bikigevoxepasi.weebly.com/uploads/1/3/4/7/134716722/7595243.pdfIn PDF document text
- https://jirukikemika.weebly.com/uploads/1/3/4/3/134310088/1555694.pdfIn PDF document text
- https://wejibuxod.weebly.com/uploads/1/3/0/7/130740202/2600911.pdfIn PDF document text
- https://wesojejupeledaw.weebly.com/uploads/1/3/4/4/134446418/sudosewideroget.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://s3.amazonaws.com/kawotexulozax/xajusivevabi.pdfIn PDF document text
- https://s3.amazonaws.com/sepawi/zoliwabuvumagebog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/006828cd-321a-4145-8ac2-41cf49adcb67/14017053996.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c854067-c489-445c-8913-f7aa984391ee/bionicle_masks_of_power.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014d27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D27 | 2940 bytes |
SHA-256: 5abd1102bbb49cd9fee3e8c7db4f4b96944035d8cd52b1c4794f50b825db5b40 |
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font_01_sfnt_off000157b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157B3 | 5416 bytes |
SHA-256: 9bb0a7dbb040fa069e9f7406bd0479cf939d8b666e998fc8986d4d3128facffe |
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font_02_sfnt_off00016a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A29 | 11572 bytes |
SHA-256: ae999fa76066012697ba1553af5ef4cb4a56f75934c65e79ca0d1d28dfbdb1f2 |
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font_03_sfnt_off00019189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19189 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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