MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'assistments answer key'. The presence of a link farm and a malicious redirector strongly suggests an attempt to drive traffic to malicious sites, likely for further exploitation or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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://gettraff.ru/123?keyword=assistments+answer+key
- https://benukozememig.weebly.com/uploads/1/3/4/4/134480731/bezilim.pdf
- https://xapawijumoj.weebly.com/uploads/1/3/1/3/131379373/8474e.pdf
- https://naxujurimarawe.weebly.com/uploads/1/3/4/6/134640244/zezumulup-nopoj-vifopesan-xipiluw.pdf
- https://wezawitulenif.weebly.com/uploads/1/3/4/3/134338426/1511348.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://tukifafagen.files.wordpress.com/2020/11/code._org_answers_lesson_18.pdf
- https://wiludilake.files.wordpress.com/2020/11/xomew.pdf
- https://uploads.strikinglycdn.com/files/93a4a1cb-72d7-4597-972d-f23bafd965bb/medical_surgical_nursing_free_downlo.pdf
- https://uploads.strikinglycdn.com/files/dcdb2b18-1501-4162-8071-a4905a6332a3/akame_ga_kill_parents_guide.pdf
- https://s3.amazonaws.com/sugaguxagu/52120800006.pdf
- https://s3.amazonaws.com/jezaxojipevu/wafewexafegikaxuxufi.pdf
- https://s3.amazonaws.com/ganubifirigevi/marina_sirtis_images.pdf
- https://vazezimu.files.wordpress.com/2020/11/91788389588.pdf
- https://ferarim.files.wordpress.com/2020/11/pekasivegupeluwugu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001790d.bine02f53971aa28c91b42fe06033737e6f179d3021729eef1136e9792127a86d4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1790D | 5044 bytes |
font_01_sfnt_off00018a35.bin6a0253a6a530a8f91f07b63bc892f10d1c6d42eab6b0ec05fdf06cc028282e31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A35 | 12708 bytes |
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