MALICIOUS
262
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a critical heuristic indicating it links to known malicious redirector infrastructure and a large number of external PDF links, suggesting a link farm. The presence of a 'download button' heuristic and a 'password-protected archive lure' heuristic further supports a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, and ClamAV detected it as 'Pdf.Phishing.Trojan'. The embedded URLs likely lead to the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://yafferge.ru/strik?utm_term=sgh-i337+stock+firmware+download In PDF document text
- https://zujakeme.weebly.com/uploads/1/3/4/0/134041616/445a6fac2b6.pdfIn PDF document text
- https://noginoludaven.weebly.com/uploads/1/3/4/3/134374582/ddefc.pdfIn PDF document text
- https://tofikopu.weebly.com/uploads/1/3/1/3/131381225/defelamulixabe.pdfIn PDF document text
- https://bigufoxorifef.weebly.com/uploads/1/3/1/8/131871864/sorukik.pdfIn PDF document text
- https://welaxulisura.weebly.com/uploads/1/3/4/0/134042468/pefeliruxexu.pdfIn PDF document text
- https://podozipejubepa.weebly.com/uploads/1/3/4/8/134893890/sizoxafepilesa.pdfIn PDF document text
- https://gimezoribetigaw.weebly.com/uploads/1/3/4/6/134676461/7083867.pdfIn PDF document text
- https://kozegefiseram.weebly.com/uploads/1/3/1/3/131379202/xevoduzonelakera.pdfIn PDF document text
- https://xisulufi.weebly.com/uploads/1/3/4/8/134870666/xalatalan-lumatos.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/semuxemakaw/biochips_free.pdfIn PDF document text
- https://s3.amazonaws.com/fazujo/metformin_starting_dose_pcos.pdfIn PDF document text
- https://s3.amazonaws.com/vavabi/fletching_guide_rs3_p2p.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c08204d-e4d2-4dce-af74-5cd351ef2b19/galumolit.pdfIn PDF document text
- https://s3.amazonaws.com/jusagi/20033757835.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55c41df3-4af6-4d7e-9cc4-15ad6bbc1bf8/fender_super_champ_x2_review_harmony_central.pdfIn PDF document text
- https://s3.amazonaws.com/temujonuwu/nofasidolim.pdfIn PDF document text
- https://s3.amazonaws.com/masevewi/tefirisemulimunusumadeku.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/66987640631.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6bcc1722-2f4e-4156-9252-85be58cd917e/delaviers_core_training_anatomy_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/babetafaperaxov/vakiwenunidoxonuso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c219b8a-1910-4e6f-9bde-52c42e6a5caf/20017496121.pdfIn PDF document text
- https://s3.amazonaws.com/muvazi/san_diego_county_bmp_design_manual.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_off0000f7aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AA | 5968 bytes |
SHA-256: 9f2d8fb85b25e18836b25770ab37fd548b0b5305cc8741f75ee7ea905a893956 |
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font_01_sfnt_off00010bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF6 | 11320 bytes |
SHA-256: 7fb7429b1b5727497efdb21a223ab199dd07d183d07445a6690e2e1fa8d30234 |
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