MALICIOUS
282
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious due to its extensive use of link farms, directing users to suspicious and known malicious domains. The document's structure and embedded links suggest a phishing or redirection scheme designed to lead users to potentially harmful content. The presence of multiple links to disposable hosting and redirector infrastructure indicates a deliberate attempt to obfuscate the final destination and distribute malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8743
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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Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LUREPDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
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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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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://yafferge.ru/award?keyword=carnatic+flute+books+pdf In PDF document text
- https://jipunone.weebly.com/uploads/1/3/5/3/135349916/918d2faea5344d.pdfIn PDF document text
- http://managerprogram.live/hobart_handler_190_aluminum_spool_guns7bj6.pdfIn PDF document text
- http://boevoenlp.com/neguxibemudibexyhntn.pdfIn PDF document text
- https://sowerijowirikuj.weebly.com/uploads/1/3/1/4/131437515/bumukaminuberupapi.pdfIn PDF document text
- https://cdn.sqhk.co/tugirujozi/mygJggc/kigovolagugi.pdfIn PDF document text
- https://zewelujipe.weebly.com/uploads/1/3/4/8/134846298/4376134.pdfIn PDF document text
- http://itwow.info/tigipilumomegibupewinil9dz5r.pdfIn PDF document text
- http://naturaitalia.space/iadt_guidelines_primary_teethmt1ir.pdfIn PDF document text
- https://cdn.sqhk.co/xenaporo/jeFie3O/slices_pizza_newport_beach.pdfIn PDF document text
- http://lumacy.site/naxezejogarolopewuliro67tn.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/08d1f4a9-d574-4c7a-abd0-602c45acf16b/87072155815.pdfIn PDF document text
- https://s3.amazonaws.com/najipavez/anniversary_song_hd_video.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddfda39a-f0a7-434f-ad19-1ad23c70a393/87560549026.pdfIn PDF document text
- https://s3.amazonaws.com/zuvovoxigumuz/twas_the_night_before_christmas_covid_2020_poem.pdfIn PDF document text
- https://s3.amazonaws.com/jujadodedaruxix/cateye_bike_computer_australia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7dab1b41-4b81-46b7-81a4-a3ecc509f2d5/amish_store_near_clare_mi.pdfIn PDF document text
- https://s3.amazonaws.com/titugome/flowers_for_algernon_questions_by_progress_reports.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14b146d0-ffde-4db9-9237-147702958a70/aprendizajes_clave_primaria_tercer_grado.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95c91453-ac0c-40cf-8c1a-18c913f4d8c6/fuwigedudedisulekafa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5396c2f9-9746-482d-9dfa-799ec1ab33ec/12836637086.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12082 | 4828 bytes |
SHA-256: f8cf694a50525b154c9b93558ce770a6d8b7cc0d7c11af3a2cfd7a8d22233f18 |
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font_01_sfnt_off00013143.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13143 | 5256 bytes |
SHA-256: 45dd05015f87ea313278539629164e04cb2783419ef062dafc58f5100385ee0f |
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