MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains links to known malicious redirector infrastructure, specifically 'crophysi.ru', which is designed to lure users into downloading further malicious content. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of redirector links and the document's structure suggest it's part of a phishing or malware distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9083
Heuristics 3
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/award?keyword=how+long+is+a+pecha+kucha+presentation In PDF document text
- https://bozaxadoduzake.weebly.com/uploads/1/3/4/3/134306622/a4022b075.pdfIn PDF document text
- https://cdn.sqhk.co/vimerokil/pMjatje/this_is_the_police_investigation_robbery.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484358/normal_6005371733958.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4506170/normal_5feeb7ed666f9.pdfIn PDF document text
- http://zizodoroluxonaf.sportsontheweb.net/the_crucible_act_1_notes.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390681/normal_600bb6e355135.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366668/normal_5fe1a2eb13543.pdfIn PDF document text
- https://rejurikin.weebly.com/uploads/1/3/1/0/131070637/4976110.pdfIn PDF document text
- https://cdn.sqhk.co/wifopuzuxiba/jJgjhjh/crash_car_smashy_road_wanted_2.pdfIn PDF document text
- https://nelizebowi.weebly.com/uploads/1/3/4/7/134734992/raxabibekevilufake.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483354/normal_60316ddaecb50.pdfIn PDF document text
- https://wovegusokab.weebly.com/uploads/1/3/4/8/134850220/cd736bf9.pdfIn PDF document text
- http://kamikofonem.mygamesonline.org/how_to_use_an_8_qt_instant_pot.pdfIn PDF document text
- http://nesorus.mywebcommunity.org/how_to_program_dish_hopper_54.0_remote_to_tv.pdfIn PDF document text
- https://regifevadep.weebly.com/uploads/1/3/4/4/134476302/6633944.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460450/normal_60060f3f7a6ec.pdfIn PDF document text
- https://barurusijibipek.weebly.com/uploads/1/3/0/7/130740419/zoditufadezuk_ramodaxaduzen_tolomuda_xugeleri.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://japinoxizidunub.myartsonline.com/how_to_replace_trimmer_head_echo_srm-210.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BA | 3760 bytes |
SHA-256: 06e253578e5a5813cea718bcc096bb2ce8a46417e20cd5212eddc802f7330d6a |
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font_01_sfnt_off0000f70a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70A | 5192 bytes |
SHA-256: 1b3157b58d4dde79356ae86a913a484dd0cf03b0e587c7ac2025822e8e736fc8 |
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font_02_sfnt_off000108c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C3 | 11584 bytes |
SHA-256: 7d8a964f1521e46d0c23b590ff9e4d002c34f985b3e8a6ce45d5cdd0dc9a22d3 |
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