MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs pointing to various domains, many of which are hosted on disposable or suspicious platforms. Heuristics indicate this is a link farm designed to redirect users to malicious content, with one URL specifically identified as a known malicious redirector. The ML classifier and ClamAV detection strongly support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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://crophysi.ru/award?keyword=luther+s+abendsegen+pdf In PDF document text
- https://cdn.sqhk.co/barugogip/bjiZbwI/dusej.pdfIn PDF document text
- https://cdn.sqhk.co/legesizas/hjaRYVN/ncaa_men_s_basketball_game_times_today.pdfIn PDF document text
- https://xonuvalax.weebly.com/uploads/1/3/1/4/131437330/tosasopijoz.pdfIn PDF document text
- https://cdn.sqhk.co/veladaxuzeba/Ogfhaje/free_gems_episode_no_human_verification_or_survey.pdfIn PDF document text
- https://cdn.sqhk.co/zirevazul/hiv7jfA/jozoz.pdfIn PDF document text
- https://gedijidejejew.weebly.com/uploads/1/3/0/7/130775336/2dfa7ed062ce.pdfIn PDF document text
- http://bamefidev.mygamesonline.org/sakazikutus.pdfIn PDF document text
- https://tuzakipimuvujuv.weebly.com/uploads/1/3/0/8/130813756/32fba5168.pdfIn PDF document text
- https://vavaterojitenoj.weebly.com/uploads/1/3/4/8/134898986/jivawagafaj.pdfIn PDF document text
- https://cdn.sqhk.co/numavagoko/jjCjblg/sokomoverurukolebabewepe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365608/normal_6003a7ed0f832.pdfIn PDF document text
- https://cdn.sqhk.co/vibisidumes/gZidZji/white_cardboard_sheets_for_crafts.pdfIn PDF document text
- https://cdn.sqhk.co/wasefago/ijviawT/67930962491.pdfIn PDF document text
- http://newuwedeza.mypressonline.com/how_to_use_crane_drop_humidifier.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461786/normal_5fec9fe46fb0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457592/normal_60252fe5be767.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/tanikanaw/water_margin_sega_rom.pdfIn PDF document text
- https://s3.amazonaws.com/zifozujiwi/muzubarabelumu.pdfIn PDF document text
- https://s3.amazonaws.com/zusevamasor/discombobulate_sheet_music.pdfIn PDF document text
- http://vowojuxibaxo.myartsonline.com/mongodb_mapreduce_example_java.pdfIn PDF document text
- https://s3.amazonaws.com/lofese/55682036268.pdfIn PDF document text
- https://s3.amazonaws.com/vetamedisoz/17187072451.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e86b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE86B | 5076 bytes |
SHA-256: e6de26b3d4d3fc7b1d720f44be146eecf6a10da8250cfa532fe6aeca2142e0c1 |
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font_01_sfnt_off0000f992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF992 | 11280 bytes |
SHA-256: 869fb811cf4fff80b9f4bde54c6f1c5795d5d11977728a099dc9c7c44149cf74 |
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font_02_sfnt_off00011f06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F06 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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