MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to cloud storage, suggesting a link farm or SEO poisoning attempt. One URL, 'https://traffnew.ru/123?keyword=always+running+pdf+download', is flagged as unknown reputation and is likely malicious. The presence of a 'download button' heuristic further supports a malicious intent to trick users into downloading further content. While no scripts were explicitly extracted, the PDF structure and heuristics indicate a malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://traffnew.ru/123?keyword=always+running+pdf+download
- https://vuzejugusu.weebly.com/uploads/1/3/4/4/134486163/mazesuwavuwijo.pdf
- https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/7a79285f794.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/rebomedug/potenejewi.pdf
- https://s3.amazonaws.com/zuxadol/kizasokizu.pdf
- https://s3.amazonaws.com/jolituzoji/the_men_s_health_big_book_of_exercises.pdf
- https://demoxugu.files.wordpress.com/2020/11/hp_deskjet_f4580_wireless_setup_windows_10.pdf
- https://s3.amazonaws.com/jazuravazaguz/petimizanojub.pdf
- https://s3.amazonaws.com/tizowodifi/dangling_and_misplaced_modifiers_exercises_with_answers.pdf
- https://s3.amazonaws.com/megodipewukitoj/proceso_isocorico.pdf
- https://s3.amazonaws.com/julaxel/39160571949.pdf
- https://s3.amazonaws.com/lebaxa/dezofufugeferav.pdf
- https://zekalewuwodo.files.wordpress.com/2020/11/leviworutizofos.pdf
- https://tatedavozuxu.files.wordpress.com/2020/11/16832931248.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e06.bin0b8eddc5fc3239d39a2ac3e54a05882020fc2bf68ffffa61d04a5b1c58fd624d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E06 | 5076 bytes |
font_01_sfnt_off00006f59.bina1f03ff4607f269e1bbe44cdac4b8e449243452038c53962a31f8585e3e0d24e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F59 | 10648 bytes |
font_02_sfnt_off0000939c.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x939C | 4324 bytes |
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