MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains multiple embedded URLs, including one pointing to 'jacksth.ru' which is likely part of a phishing or malware distribution scheme. The PDF also exhibits characteristics of a link farm on disposable hosting, further indicating malicious intent. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing or downloader attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 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://jacksth.ru/strik?utm_term=physics+equations+for+velocity+and+acceleration PDF link annotation
- http://winovigamaj.mygamesonline.org/kuporatapiwuw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462096/normal_5fd1045de861b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483837/normal_6008d181b9a5a.pdfIn PDF document text
- http://forisawidokomor.sportsontheweb.net/vumukanaguketenemodom.pdfIn PDF document text
- http://dusalawolut.iblogger.org/28512871581.pdfIn PDF document text
- http://sudilufib.getenjoyment.net/remoxosenalusuv.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://8ed7b8cb-9bae-4def-ad9b-66b28cd11f91.filesusr.com/ugd/740d8c_2b83fb2727a44b418b95eae462ff1294.pdf?index=trueIn PDF document text
- http://mujibise.epizy.com/wurefaruvijujafawinu.pdfIn PDF document text
- http://nalujisutu.epizy.com/dabazadotezizuxupi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e954d22e-9da0-4930-abbc-723dc39724da/84652634811.pdfIn PDF document text
- https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_cfbabe213ba54c6fab11abe42305ba81.pdf?index=trueIn PDF document text
- http://motatowavem.epizy.com/91476038389.pdfIn PDF document text
- http://femejuzi.epizy.com/sinner_in_the_hands_of_an_angry_god_imagery.pdfIn PDF document text
- http://jisunopesaluzi.atwebpages.com/sumiteratapusolukol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eec515e6-b124-4fe4-816d-0d4a3fabb11d/1d4chan_30k_legion_tactics.pdfIn PDF document text
- http://fabovodowep.epizy.com/jirij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/347e60d6-e0ed-452e-b7dd-accfb565796b/zefonisurazuwijonogax.pdfIn PDF document text
- https://176fe727-baa2-4f6f-8ab0-cddcd97ecb74.filesusr.com/ugd/45df28_08023a35efad4720b19b1279926bcf44.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_7db42cc9cc20498983d00f0615c41a94.pdf?index=trueIn PDF document text
- http://vefagukolile.epizy.com/self_pollination_and_cross_pollination.pdfIn PDF document text
- http://delozolaxa.rf.gd/excellence_resorts_punta_cana_vs_el_carmen.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA00 | 5280 bytes |
SHA-256: fbaee0dada126894027e96f9f306c95ff69710f5960937ce18eaba517cda08db |
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font_01_sfnt_off00010be0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE0 | 11316 bytes |
SHA-256: ec49419c8e6ac3b9babfda406314352aab5ea167cf1b98c1b6d5aa4c8c2a73d3 |
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font_02_sfnt_off000132a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132A9 | 16316 bytes |
SHA-256: 72969b63dc0b42b97c3d29669f1469ca4cb64523c1e0597ec4b4ea774934dd85 |
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font_03_sfnt_off0001485a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1485A | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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