MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to other PDFs, indicating a link farm designed to manipulate search engine results or redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically identified as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/wix?keyword=computer+organization+and+architecture+book
- https://vaferevipesefur.weebly.com/uploads/1/3/0/9/130969420/8ea2ebdc4766a.pdf
- http://aicberg.net/89129601611kk0o0.pdf
- https://zukigepuzena.weebly.com/uploads/1/3/4/5/134593101/1645513.pdf
- http://setokanekema.mygamesonline.org/asu_mechanical_engineering_major_map_2020.pdf
- https://lozofatogil.weebly.com/uploads/1/3/0/7/130739213/vowirozemabujubil.pdf
- http://xojuxelase.medianewsonline.com/pifemulevere.pdf
- http://basvuruizleme.online/how_to_use_woods_outdoor_timerqqley.pdf
- http://vozuzutiwajuzip.getenjoyment.net/2363164261.pdf
- https://pasadotofeb.weebly.com/uploads/1/3/1/4/131482919/giwigozunekalogamofu.pdf
- http://getizibibi.22web.org/vocabulary_words_for_4th_graders.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/wotodedaruzuk/8189677107.pdf
- https://s3.amazonaws.com/zidenigad/jodavexolesofojov.pdf
- https://s3.amazonaws.com/lokijuronig/30270630624.pdf
- https://s3.amazonaws.com/wizedumi/free_handwriting_sheets.pdf
- https://s3.amazonaws.com/mozedijiz/72037446492.pdf
- https://s3.amazonaws.com/fifomi/epsxe_guide_windows_10.pdf
- http://vosiwajemipawes.epizy.com/13777567574.pdf
- http://wegigofasaros.rf.gd/nikufufasafi.pdf
- http://kasarokoxakuke.epizy.com/92312195399.pdf
- http://nuvitaros.epizy.com/tamil_songs_mass.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d482.bin78ec78519f9e849686ba2563a6cdf5fbf927975492f14375a84adc86312aee8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD482 | 5436 bytes |
font_01_sfnt_off0000e6d2.binf7cfda831931ff90802681bbf4a1042da23f2bd642902da49f1955960c35d293 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6D2 | 9920 bytes |
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