MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, identified as a link farm, with many pointing to disposable hosting services. The ML classifier and ClamAV heuristic strongly indicate maliciousness, specifically flagging it as phishing or a trojan. The embedded URLs suggest a phishing or malware distribution attempt, likely using the 'letter of intent to sue sample' lure to entice clicks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://bologen.ru/wix?keyword=letter+of+intent+to+sue+sample PDF link annotation
- https://gitiritibew.weebly.com/uploads/1/3/1/4/131483488/gaxoko_malituzof.pdfIn PDF document text
- https://xepevuke.weebly.com/uploads/1/3/0/7/130775471/zedejos.pdfIn PDF document text
- https://jelebemurufipo.weebly.com/uploads/1/3/4/4/134442628/9607909.pdfIn PDF document text
- https://siluxukazikuwo.weebly.com/uploads/1/3/5/3/135326211/magaruwe-rozanufewelud-gitezevexekum.pdfIn PDF document text
- http://italysummer.fun/gixuwalukoz3upq.pdfIn PDF document text
- https://gumevuwogixuxuj.weebly.com/uploads/1/3/5/3/135317748/deb62e4596.pdfIn PDF document text
- http://hookup154.site/1099706126332754.pdfIn PDF document text
- http://probmaka.tech/sahih_bukhari_malayalam_translation_free_downloadkf3oh.pdfIn PDF document text
- http://zolomakowifop.iblogger.org/cat_game_jio_phone.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://jabelakejirer.epizy.com/four_types_of_sentence_structures_quiz.pdfIn PDF document text
- http://vepibali.rf.gd/netgear_gs108t_configuration.pdfIn PDF document text
- http://kafutifuvi.rf.gd/fogaziravuwizepira.pdfIn PDF document text
- http://pusejik.epizy.com/51149579582.pdfIn PDF document text
- https://5ce19dfa-329f-495d-88d1-e1e7834d9072.filesusr.com/ugd/d902bb_5bc79c45c9cd416b83e22b5d0d4bc86c.pdf?index=trueIn PDF document text
- http://lelexuxifu.epizy.com/basics_of_economics.pdfIn PDF document text
- https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_191316669a3c4fd680e5b3885ef0999e.pdf?index=trueIn PDF document text
- http://pamapubosozule.epizy.com/citas_del_libro_el_guardian_entre_el_centeno.pdfIn PDF document text
- http://xesijapapun.rf.gd/indoor_conditioning_drills_for_soccer.pdfIn PDF document text
- https://fdb0147f-387d-4908-9c93-1ccdb5bf775f.filesusr.com/ugd/aea2e0_c4ec7073cb4c4e48a49ed85e63c28005.pdf?index=trueIn PDF document text
- http://benugafudom.epizy.com/facetime_video_call_answered_on_another_device.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_off00010c2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C2C | 4872 bytes |
SHA-256: 3997b50945534a9ed7635ec3dc93aae73ce50e1548b86721e6e24837b2c23f0c |
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font_01_sfnt_off00011c9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9E | 11908 bytes |
SHA-256: 135bce7d1107e9d66d0d4877aaf0e5ebd45bf328dd053b96d32d1735794a5449 |
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font_02_sfnt_off0001456e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1456E | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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font_03_sfnt_off00015a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A9E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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