MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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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://chcial.ru/pbw?utm_term=spelling+bee+practice+games+1st+grade PDF link annotation
- https://zetoruribafepa.weebly.com/uploads/1/3/1/4/131452904/5887562.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475565/normal_60512976d6f3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448720/normal_602bda6daab6c.pdfIn PDF document text
- https://litudawugo.weebly.com/uploads/1/3/3/9/133997631/nedivigubepipokeveve.pdfIn PDF document text
- https://lulubuwapi.weebly.com/uploads/1/3/5/3/135318112/katarutodif-terakivol-xovexupo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421767/normal_6002ab79db4c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388163/normal_6024fd801047b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469623/normal_606e1745422a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408990/normal_60677ba0b62e8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450347/normal_6007392eccab7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368222/normal_6060e9d15cac7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464710/normal_5fda3ca78bd9a.pdfIn PDF document text
- https://mupamibamaximas.weebly.com/uploads/1/3/1/3/131379846/5106411.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
- http://tavaretaz.pbworks.com/f/how_many_businesses_closed_due_to_covid-19_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e5a35d6-ca4e-4822-ab97-2ce0be5e7453/christmas_carol_trivia_questions_and_answers_printable.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48f0f40e-f3b7-48b3-8daf-8547be4895e4/wd_tv_live_streaming_media_player_remote_control.pdfIn PDF document text
- http://mitamugukojo.pbworks.com/f/download_file_flash_all.bat_xiaomi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a51201b-81a2-4d63-b25c-fa55063f12a1/quadra_fire_mt_vernon_pellet_stove_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ce55b50-312c-4e35-b853-40246027a68d/thus_spoke_zarathustra_themes.pdfIn PDF document text
- http://gitixofipoxu.pbworks.com/f/how_long_do_pocket_bullies_live.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6df426d7-38c5-40d1-9737-22486a20bf53/63303819857.pdfIn PDF document text
- http://lomubel.pbworks.com/f/32277026175.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_off0000de80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE80 | 5368 bytes |
SHA-256: e636dd0d68e267a3e13a153f53aabcdfe51719ab214ee973c767f0ec842ff28d |
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font_01_sfnt_off0000f097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF097 | 10612 bytes |
SHA-256: ec19318b7457ccf8c01cf12fde6770bdb550f07464257fc715dd8c4cf97c1ef0 |
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font_02_sfnt_off000114e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E1 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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